The dust outside the fortress has cleared up to the ground, and although there is no deep dust and decay, the huge fortress still looks imposing.

Zhang Zhen deliberately followed Gu Yicheng around under the fortress, more than half of the third floor is still in the ground, the workers have begun to dig the soil layer, standing below and looking at it is a steel battleship, and the rows of battle portholes can be clearly seen outside the fourth floor, and there are combat platforms that are different from other platforms.

On the fifth floor, in addition to the rear exit platform for warships, there are also emergency warehouses on the left and right sides for one warship to dispatch at the same time.

The most obvious thing on the sixth floor is a circle of artillery, Cai Tong counted a total of thirty-six artillery batteries on the sixth floor, sixteen of which were seriously damaged, six were slightly damaged, and the rest could even be used now through manpower control.

There are also a lot fewer seven-story turrets, and the hatch of the drone can't be found from the outside, and on the whole it seems how apt it is to be called a fortress, if you don't know the structure of the fortress, you won't know where the weak point of the fortress is outside, and this looks like an iron house full of firepower.

"How many weapons do you estimate you can use?" Zhang Zhen stood in front of the three-story hatch that had been dug out of the small half-cut door and asked Gu Yicheng.

Gu Yicheng said: "The combat power that has not yet been dug is the three-layer tank layer, and the three layers or more are about forty percent usable, and it can reach seventy percent after repair, but it depends on whether the energy power system of the fortress can be used, and many weapon systems need to be controlled by the fortress system, if the power system is seriously damaged, the entire system may not be usable like the automatic defense turret of the fortress." ”

Zhang Zhen nodded, as he speculated, even individual weapons had to be activated by password, it seems that the restoration power system has activated the main control system of the fortress as the key, if this cannot be repaired, this fortress will really become a pile of scrap metal, which can only be dismantled.

"Found the approximate location of the deck opening." Cai Tong reported the exciting news through Green Shield.

This was an important time, so Cai Tong wanted Zhang Zhen to be present, and Zhang Zhen and Gu Yicheng climbed up from the ladder built outside the fortress, and then went down to the fourth floor.

The interior of the fortress has been much more ventilated and clean, but the smell of rot is still pungent when you enter the fourth floor, and the cabin is full of traces of dirty blood under the light, and many internal equipment and rooms have been blown up, and some rooms are even piled up like nests.

"City Lord, wear this, the fourth layer is seriously damaged, it is estimated that the alien beast zombies are invaded from the third or second layer, and because it is the infantry battle layer, the attack on the large number of people is also the most serious." Gu Yicheng took a simple mask and handed it to Zhang Zhen.

Zhang Zhen buckled it on his face, this thing can provide oxygen for six hours in an environment with a certain amount of air circulation, and the people who come in this layer basically carry it.

Cai Tong led everyone to measure the deck under his feet in front of the wall near a room near the elevator shaft, and said excitedly when he saw Zhang Zhen coming over: "The detection equipment here is unusable due to electromagnetic influence, and it can only be found through the old way, Miss Zhou's modeling calculation has determined this place, and we are confirming the size of the warehouse on the first floor." ”

Zhang Zhen looked at the turbid ground deck, which was actually a whole piece, and Cai Tong's people even knelt on the ground and knocked on a three-meter-square deck with tools, while listening attentively.

Zhou Ziyan took the ground here in the model and calculated it according to Cai Tongren's report, and said excitedly for a moment: "I found it, I projected it to the ground." ”

The people who were still knocking on the floor hurriedly got up one by one to get out of the way, and saw a sixty-centimeter-sized blue frame thrown by the elf a few meters away on the ground, and although the light flickered a little under the influence of the magnetic field of the elevator shaft, it was able to determine the location.

One engineer was overjoyed and worried: "I have only determined that there is a gap of a few centimeters, so will it be a little hasty, and the bottom may be all solid deck if I cut it wrong." ”

Zhou Ziyan snorted and said: "I believe that I won't be wrong, I can lock the warehouse according to the overall structure and internal layout and then through the confirmed gap of a few centimeters, any project has a strict layout, and each component will have its proper position, not to mention that this is a war weapon with such a precise structure." ”

Everyone looked at Cai Tong, after all, a warehouse is four sides, and now only one edge has been found, and the head and tail have not yet been determined, this box may be much worse, that is, it is a waste of great resources, and it will cause unnecessary damage to the fortress.

Cai Tong groaned and said, "Start cutting, I believe Miss Zhou." ”

As soon as the order was given, there were workers with cutting tools into battle, and Zhang Zhen understood why these people were so cautious, not only for fear of causing unnecessary damage to the fortress, but mainly because it took several minutes to laser cut this deck, and it would take several minutes to cut a few centimeters with ordinary tools.

Everyone is staring, and if this first line cuts out wrong, then the position is wrong.

After about half an hour, the thread about fifty centimeters long was finally cut out, and a finger-wide cut was still steaming.

"Quick, use the probe!" Cai Tong commanded eagerly.

Everyone waited with bated breath, but Zhou Ziyan looked leisurely, and she was not worried that her judgment would be wrong.

"I saw the traces of the warehouse, and I confirmed that it was here." The detective shouted excitedly.

Cai Tong hurriedly took the equipment screen to look, only to see that there was a metal different from the deck under the incision, and the gap of less than one centimeter below the incision could clearly detect a metal shell of forty or fifty centimeters under the marking frame, with obvious seams on the edge, and it was obvious that there was a warehouse under the frame.

"Sure enough, it's so godly, Miss Zhou is simply a god!" Cai Tong shouted excitedly.

After being confirmed by Cai Tong, everyone applauded excitedly.

If Zhou Ziyan is just good at modeling, it is indeed not completely admired by everyone, after all, modeling is still of limited use in the eyes of everyone, Cai Tong has never modeled, but now they finally understand the power of modeling, it is up to them to find it, and it is not easy to determine the approximate range today fortunately.

Because it must be cut to the same size as the warehouse, it is too big to damage the deck, and it is too small to open the position, not to mention the length error, etc., and the frame that Zhou Ziyan speculated is simply perfect, no more than one point and one less person.

"Miss Zhou is really amazing, if she is digging Hori, she is definitely a first-class engineer!" Sun Rong gave Zhou Ziyan a thumbs up, this hand is much more powerful than Cai Tong, such an accurate and effective calculation is not to mention the manpower and material resources of the excavation province, so that the fortress will be repaired in the future It will be much easier.

Zhang Zhen smiled: "In order to prevent you from digging my people, it seems that Zi Yan's dinner is going to be cooked by myself." ”

"Wow, Brother Zhen, are you making me boiled fish?" How others praised Zhou Ziyan was just smiling, and Zhang Zhen was overjoyed when he spoke.

Zhang Zhen smiled and nodded, originally thought that if he couldn't open the position today, then he would return to reality, but now it seems that he can find out about the third layer, the fourth layer is seriously injured and there are still a lot of weapons, and he is full of expectations for the third layer.

"Cut it in two hours, and today we must go into the elevator shaft to find the problem." Cai Tong was also in a hurry, and gave an order to his subordinates.

"Yes!" The gold diggers responded one after another, and one by one began to return to their respective jobs, preparing for the repair of the elevator shaft.

(End of chapter)