Iron smelting is completely different from copper smelting, as long as copper smelting is 'punished by the law, gold and tis beautiful, the work and smelting are skillful, and the fire is all right', it can be 'dissected and punished'. Iron smelting doesn't matter what the punishment is. Gold tin lies in the ore itself, not in artificial preparation. Without coke or hot blast, it is difficult to reach the temperature at which the molten iron melts. It is true that the industry and metallurgy are skillful, but the ingenuity of copper smelting is only the ratio between copper and tin, the design and production of clay molds, and the grasp of the heat when casting. The ingenuity of iron smelting is not only forging and carburizing, but more importantly, the heat treatment process of different raw materials and different raw materials.

low-carbon, medium-carbon, high-carbon; quenching, tempering, annealing; Contains phosphorus, sulfur, silicon, manganese, oxygen; Add nickel, chromium, molybdenum, vanadium, titanium and ....... Iron smelting contains a hundred times more variables than copper smelting, and these variables interact with each other to evolve recipes and heat treatment schemes that are far beyond the experience of a single craftsman.

Craftsmen can find one or a few of these successful solutions, but that's not all. When certain conditions, such as the ambient temperature, change, and the hot or cold brittle occurs, then it is necessary to collectively catch the blindness. It can be said that before the birth of experimental science, a new system of witchcraft that explains the world and studies the world, the Witchcraft 1.0 and Witchcraft 2.0 systems could not really master iron smelting, and all they could master was to rely on trial and error to find a path to success.

Xiong Jing gave some important components of the 3.0 system: coke and hot blast raised the temperature limit that the original system could achieve, and he roughly backed the periodic table of elements to further understand and subdivide the world's substances on the basis of the 1.0 gold, wood, water, fire, and earth, and he knew what the heat treatment process contained, and knew which elements were harmful to iron smelting and which elements were beneficial to iron smelting......

Even so, there was not enough time to use the new and incomplete system to accumulate the necessary data for iron smelting. Without enough data accumulation, some unexpected disasters will inevitably occur. At this time, no one in the curtain thought of the disaster, and they couldn't help but laugh when they looked at this inferior chieftain spear made by the Shaofu of the Qin State on the wooden table.

"The Qin people want to defeat me with this spear, hahahaha......" Xiang Liang is too young, and his laughter is also the most presumptuous, which makes the old people such as Xiong Jing, Dongye Gu, and E Le feel a little harsh.

"The Qin people only have such a spear, and our army will win!" Ruo Ao Duxing also drank in a low voice, his eyes were full of murderous intent.

"Can the Chieftain Spear Pierce Armor?" Xiong Jing's brain was also full of blood, and his eyes were a little red, but he finally maintained the composure of the king.

"The shogunate has tried, and the spear cannot break the armor." Zhuang Wudi had just gone to the shogunate, and the shogunate advisers had already tested these weapons.

"Good!" Xiong Jing's body shook, and finally shouted.

He finally understood that the reason why the Qin army was able to support it to this day was all due to capture. The giant iron armor of the Zhao people was captured, the huge iron armor of the Qi people was captured, the huge iron armor of the Wei people was captured, and then more than 20,000 sets of armor sold to Bactria were robbed. Once these armors were captured by the Chu army, the Qin army would have no useful armor. Under the guidance of the craftsmen of Yanguo, it is easy to smelt pig iron, and it is not difficult to carburize and forge, but heat treatment requires sufficient experience.

"Since the Qin people have no available armor, tomorrow's heavy snow will also make our army attack the sand sea and kill Wang Qian." Xiang Yan was killed by Wang Qian, and he couldn't wait to take revenge on Xiang Liang, and he even wanted to kill in the sand sea now.

"No." Zhuang Wudi and Peng Zong opposed at the same time. "It snows heavily overnight, and tomorrow's road will inevitably fail, how to fight?"

"Just rush into the sand sea camp." Xiang Liang Road. "The Qin people have no armor, how can they kill me?"

"There are hundreds of thousands of Qin people, how can our army rush into the Shahai camp?" Peng Zong persuaded. "Our army has not only cavalry, but also infantry and artillerymen; Not only soldiers, but also gravity soldiers. After Peng Zong persuaded Xiang Liang, he was worried that Xiong Jing would be affected by Xiang Liang to underestimate the enemy, and said: "Although our army is victorious, there are more than 10,000 wounded, but there are few soldiers in battle. Unless the whole army marches together, you cannot attack the sand sea. ”

"The Qin people are not without armor, but the Qin people have few armor." Zhuang Wudi also said. "The Qin trebuchet doesn't know geometry, and there are still crossbows, they can all kill me. If you can stay until after the snow, the Qi army will also arrive. ”

Zhuang Wudi has always been obsessed with Qi people, and now it is the second day, and Qi people are only one day away from Kaifeng. After the heavy snowfall, Makizawa was completely frozen, and in two days, or at most three days, all the people could rush to the sand sea.

"Yu Da Ao, Zhao Jun can also arrive!" Voices outside the big screen. With the wind and snow, Lian Yu walked in with a person covered in snowflakes, this is a Zhao general who followed Zhao Han into Daliang City last night. He stepped forward to salute, and then hissed and said, "Your lord, the lord has lived up to his king's order and has recovered Beicheng with General Sima." My Zhao army still has 12,000 people, and we can fight with the Qin people! ”

"Good!" Xiong Jing couldn't help but be overjoyed when he heard that Zhao Jun still had 12,000 people.

"The Zhao people are fighting, how can I, the Wei people, not fight?!" Xinling Jun Wei Jian was worried about the victory of the Chu army and hurriedly came over to celebrate. In the snow just now, his carriage was chasing after Lianyu's carriage. Seeing that everyone was a little puzzled by his words, he said again: "The minister is willing to enter the city tonight to say that he is a widow." ”

"You enter the city tonight......" Xin Lingjun's words should not be doubted, but now the outer city of Daliang is all in the hands of the Qin army.

"The Qin generals who defend the city are Wei people, and I am kind to them." Wei Jianwei roughly explained. "I really don't know ......, what should the Wei army do when they go out of the city?"

"The Wei army is out of the city...... "The two armies of Zhao and Wei are naturally beneficial to the battle, Zhuang Wudi hurriedly spoke, but Xiong Jing stopped him." The Wei army is not more than 10,000, and if you go out of the city and do not guard the royal city, is the king of Wei willing? ”

"If you don't want it, you must do it." Wei Jian said worriedly. "If this battle is not won, the Wei State will also die, if this battle is won, what if the royal city is lost? The state of Wei was a city taken by the Qin people, and the victory could be completely recovered. ”

"Yes." What Wei Jian said was not unreasonable, Xiong Jing looked at Zhuang Wudi and nodded at him.

"When the sky is clear, we will attack the sand sea." Zhuang Wudi saw that Xiong Jing agreed, and then said. "If the snow is not enough, the garden can be dismantled in the royal city to make snowboards and sleds."

"Skis and sleds?" Wei Jianwu didn't know what it was, until Zhuang Wudi found the real thing. "The width of the skis is three or four inches, and the length is half a foot higher than the height of the person, and the front and back are heated with fire to make it upturned. The track is fixed on the board, and the left and right long poles are slid when traveling, and it can be more than dozens of miles a day. The same is true for sledding, which uses a board instead of a wheel to glide on the snow. ”

Skis and sleds are both improved means of transportation in heavy snowfall, and Xiang Liang, who was bent on attacking the sand sea, saw these two things and immediately thought that Peng Zongzhuang had no land to oppose him with no road just now. He muttered and didn't speak, and Zhuang Wudi, who guessed his thoughts, smiled and said, "Our army only has sleds, and few snowboards. Even if the order is to be opened today to make snowboards, it will be more than ten days before 100,000 pairs of snowboards can be used. ”

"Within three days, Wangcheng can make more than 10,000 snowboards and battles." Wei Jianwei didn't know why Zhuang Wudi was talking to Xiang Liang, he only promised that the Wei army would definitely participate in the war. "The minister retired."

"The minister also retired." Lian Yu also wanted to leave when he saw skis and sleds. At that time, the heavy snow was not enough to walk, and Zhao Jun also needed this kind of thing to get out of the city. "There are still craftsmen in the north city, and the ministers can make people tear down houses and make more snowboards for the use of the Chu army."

"Great goodness!" Kaifeng craftsmen have them, but they don't have the wood needed for hundreds of thousands of pairs of skis. If Daliang Beicheng can build 100,000 pairs of skis in three or four days, the coalition forces can attack the sand sea without waiting for the snow to stop.

Wei Jian and Lian Yu retired, never expected that the last battle with the Qin people would be able to unite with the four countries, and the general Sima had a smile on his face, and they were so happy that they had forgotten that there were still more than 10,000 merchants in the Qi army, and these merchants could not have joined the army to participate in the war.

12,000 Zhao troops, more than 10,000 Wei troops - if Wei Jianwei can really persuade the Wei king to send troops, the Wei army will not be less than 15,000, 50,000 Qi troops, plus 100,000 Chu troops, the number is close to 180,000. The number of Qin troops was only more than twice as large, and the width of the array would be greatly increased to four thousand columns in the battle. The array of the Qin army should also be increased, and the width of the array will become 4,500 or even 5,000 columns. Even if it was four or five thousand columns, the array was only one hundred rows in length, and there was no difference in the depth of the Wang Ben array that had just been defeated.

On the north bank of the chasm mixed with wind and snow, the generals of the Chu army saw the dawn of victory in this dark night, and in the same night, the Qin generals of the Shahai battalion led their strategists to see despair.

Bai Lin did not capture the city of the king of Wei, so it was naturally impossible to capture the armor in the arsenal of Wei. Without enough armor, it is likely to repeat Wang Ben's mistake and be defeated by the Chu army when confronting the Chu army.

In addition to armor, there are also problems with tactics. The Chu army rushed to the spear, and the Qin army could only stand upright and wait to be stabbed. Can it be backlashed? Not really.

The array of the Chu army was initially spread out at parallel intervals, and after the exchange of troops, it quickly evolved into a zigzag inverted 'pin' shape. Some spear formations were against their own array, while others were at a distance from their own array and began to charge their spears. The part that was resisted by the Chu army, the spear was entangled with the spear, and the spear could not be rushed, but only the spear; The part that was not resisted by the Chu army, the spear array in front of it was either a spear formation that rushed to the spear or an open space.

The soldiers of their own army could not abandon the array they were in and move forward. If there is an open space in front, the advance will be flanked by the spear formations of the Chu army on both sides; If it is a spear formation of the Chu army coming from the spear in front, the Qin pawn who has not been fully trained to rush the spear will only be killed by the Chu pawn. This is tantamount to helping the Chu army, originally they had to run to the end to rush to kill the Qin pawn and then retreat, but now they are sent forward to let the Chu pawn rush to kill, so that the family can run half the distance less. In the final analysis, the Qin army's array cannot be broken, and the soldiers must be on par with the left and right at all times.

Wang Qian's hope is a trebuchet behind the battle, which may be a solution. However, it must not be forgotten that the Chu army also captured this trebuchet after this battle, and if the Chu army used this trebuchet to throw witch medicine, the distance between the Qin army's military formation and the military formation would be more than one hundred and fifty steps.

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