Two thousand heavily armored infantrymen, each with two-handed heavy swords, broke through the gap and rushed towards the twisted passage like a tiger out of a cage.

What a special four-meter spear, come, go to the master!

In the face of these steel monsters, Cao Jun had no way at all, with a round of heavy swords in both hands, next to each other, he would die if he touched it, and he would be killed easily, and he would be defeated and retreated, Wang Xuan saw this situation, and with a wave of his hand, the follow-up infantry immediately began to advance forward.

Today, I said that I would also take this military fortress.

Just as the follow-up infantry rushed in to occupy the position, the sound of "collapse", "collapse" and "collapse" suddenly appeared, although it was not conspicuous on the battlefield where shouting and killing were mixed, but Wang Xuan's expression suddenly straightened.

This voice is too familiar, it is clearly a siege crossbow!

Wang Xuan hurriedly beckoned to the bodyguard Pang De, and flew towards the battlefield again, and when he got a little closer, he clearly saw the scene that made him grit his teeth, and in the passage that was not wide, there were three rows of siege crossbows from high to low, which had just been launched one after another at this moment.

The thick spear-like crossbow arrow pierced the air and made a piercing scream, with unparalleled power through four or five heavy armored infantry in a row before it could lose its strength, and the narrow passage did not even have the possibility of dodging, and the siege crossbow that was completely flat fire at close range exerted 100% ability, which is the heavy infantry, replaced by other arms, a crossbow arrow can shoot through more than a dozen people.

The three rows of siege crossbows fired a round, and more than a dozen heavy infantry were directly shot into a long line, which not only seriously damaged the morale of the heavy infantry squad, but also completely blocked the passage of only four or five meters, even if other heavy infantry wanted to take advantage of the long firing gap of the siege crossbow to destroy it, the corpses of the heavy infantry that were not strung together firmly blocked the road, of course, the good news is that even if another round is fired, these dead robes will still shelter them.

Seeing that the offensive was blocked, Wang Xuanshuang sighed, greeted Pang De and flew back directly.

"Mingjin retreats!" It is impossible for Wang Xuan to let the heavy armored infantry rush against the siege crossbow in such a narrow road, the casualties brought by the special are not worth the loss at all, you must know that every heavy armored infantry is carefully selected, besides, the ghost knows how many siege crossbows there are in the Cao army behind, Wang Xuan is afraid that he will not fill in these two thousand heavy armored infantry.

After the withdrawal came back, Dian Wei also looked extremely depressed, but fortunately he didn't lose his temper at the chair this time, of course, mainly because his ass refused.

For the current situation, Dian Wei can't do anything, the siege crossbow thing is useless to him, but he doesn't know how to doppelganger, and it is impossible to get every siege crossbow to reduce casualties.

Wang Xuan played with the siege bolts sent back from the front line in his hand, this kind of crossbow arrows is obviously special, most of the front ends are flat, like a long sword, with a certain arc on the blade, which is easy to cut, obviously, this thing is specially designed specifically for heavy infantry at all.

"It seems that the wife Cao has not been idle all these years, and she is also constantly making reforms." Wang Xuan sighed, sure enough, war is the source of scientific and technological development and progress, the Spring and Autumn Period and the Warring States Period not only collided with various ideas to produce sparks, but also in terms of scientific and technological products, it is also incomparable to later generations.

It's hard to imagine that by the time of my Great Qing Dynasty, many techniques were not as good as those of the Spring and Autumn Period and the Warring States Period.

During the Warring States period, the peasant works include "Shennong" and "Ye Lao". The oldest surviving agricultural book is the four treatises in the book "Lü's Spring and Autumn Period", "Shang Nong", "Ren Di", "Defending the Land" and "Judging the Time". The first article discusses the ideology of the new landlord class on heavy agriculture, and the last three articles discuss a set of agricultural production techniques and principles such as cultivating land, preparing land, sowing seeds, cultivating and weeding seedlings, harvesting, and not violating agricultural time......

At the end of the Spring and Autumn Period, large-scale canal system projects began to be built, and the Warring States Period was more prevalent, and the famous canal system projects include Zhangshui Twelve Canals, Dujiangyan, Zhengguo Canal, Hangou and Gap.

Great progress has also been made in handicraft production technology, and the fine internal division of labor and the standardization of handicraft technology are the prominent characteristics of the development of handicraft industry in this period. "Examination of the work" is the first collection of handicraft technical specifications in China.

In terms of physics, there is a great deal of physics knowledge in the Book of Ink, including descriptions of the principle of levers and the theory of buoyancy, as well as acoustics and optics. The relationship between light and shadow, small hole imaging, etc., is called the "Ink Sutra" optical eight by modern scientists.

It also mentions the concepts of points, lines, planes, squares, gardens, and even limits and variables in geometry.

During this period, China's unique medical theories were initially established, and special medical works appeared in medicine, such as the previous "Bian Que Neijing", "Bian Que Waijing", "Yellow Emperor Neijing", Chang Sangjun's "Forbidden Prescription Book", "Fifty-two Prescriptions", "Eleven Pulse Moxibustion Sutras of Feet and Arms" and "Eleven Pulse Moxibustion Sutras of Yin and Yang".

In astronomy, there are "Stone Star Catalog", "Astronomical Astrology", "Astrological Astrology", and "Ganshi Star Classic".

There are too many things that belong to black technology in ancient times, if these have nothing to do with war, Wang Xuan doesn't believe it anyway.

No, even those families who have eaten the ancients are not forced to start respecting craftsmen again, turning out the ink science at the bottom of the box, and trying their best to catch up with Wang Xuan's footsteps.

Confucianism?

If it doesn't exist, people are going to be gone, who cares about bullshit like Confucianism.

Now, what can play a role against Liu Bei, what is worthy of everyone's admiration, of course, this is under the condition of not shaking the foundation of the family.

No matter how Wang Xuan sighed, the battle had reached this level, and he could only take one step at a time to see the moves.

It's just that Wang Xuan won't think about anything anymore this time, and on the one hand, he will inform Yang Ren and Wu Anguo of Guangdu County to suspend the offensive, and wait for him to detect all the methods of Cao Jun.

In any case, it is necessary to minimize the loss, Cao Cao's side is not distressed by other people's children, after all, there is no need for a bullshit pension, but Wang Xuan's side is not good, a battle is fought, the biggest investment is the post-war pension, after all, weapons and armor can be recycled, this broken arm, leg and life, there is really no way.

Early the next morning, as a tentative attack, a thousand heavily armored infantry again attacked under the leadership of Dian Wei, only this time there were ten iron carts in the queue, and in front of them was a sloping steel plate with a thickness of five centimeters, which was specially spliced with a large shield, and the purpose was to defend against those siege crossbows.

As for the inspiration, it was completely from the chariot used in the battle to destroy Yuan Shao, Wang Xuan wanted to see if Cao Jun still had any moths!

Facts have proved that Cao Jun is indeed there!