After being comforted by Qin Lan, Chen Xin didn't say anything else, but he still made plans in the worst direction.

Optimism is needed, but it is also necessary to plan the worst.

In other words, if you make the worst plan, no matter what happens, you can face it optimistically and positively, because the situation cannot be broken any more.

And for Chen Xin now, the worst case...

That is, another geological movement occurs, causing the deep groundwater layer to lose pressure and affect the shallow groundwater layer, causing the shallow groundwater to flow into the deep groundwater layer. In the end, there is no groundwater available here.

Although this is a very extreme situation, in geology, it is not impossible to cause water outage in the groundwater layer due to geological activities.

Judging from Chen Xin's current situation, if the groundwater water source is cut off, he will face the dilemma of water shortage again.

Although he can exchange vegetables from greenhouses for drinking water, there is a big problem here that crop cultivation requires a lot of water resources.

Moreover, the grown vegetables contain a lot of water, which will not enter the circulation system inside the shelter for recycling.

Therefore, if this really happens, Chen Xin must find a way to obtain a new water source. As for moving, it is the final choice without any means.

Fortunately, there is quite thick snow outside now, and snowfall still occurs from time to time. It is a good way to collect the snow and melt it and use it as water.

However, the snow outside is very dirty, and the collected snow needs to be purified and filtered.

In addition, upgrading the water circulation system will allow the wells brought by the system upgrade to be deeper and the pump head is larger. Who can be extracted from the deeper strata, which is also a way to solve the problem once and for all.

After passing the measures he could make in his mind, Chen Xin became at ease with the worst possible situation, at least he had enough means to deal with it.

This naturally made him feel much more optimistic. He smiled at Qin Lan: "Okay, the generator is installed, and then we will continue to make ground source heat pumps. Your special police team has only made one equipment, and there are five more to work. I don't know if it can be done in two days."

"A Xin, you have such good skills and can definitely finish it on time, and I will also help." After seeing the "process" of Chen Xin's manufacturing of these mechanical equipment, Qin Lan has full confidence in Chen Xin.

"Okay, Alan, please help me take away the parts I cleaned yesterday..." Chen Xin was about to ask Qin Lan to dry the parts I washed yesterday, but the radio station in the living room suddenly rang and a call came out.

Qin Lan and Chen Xin turned their heads and looked at the living room together, and couldn't help but say in surprise: "Is anyone calling you?"

"Well, I'll go and see what's going on. Alan, take out the parts you cleaned yesterday and wipe them dry." Chen Xin gave Qin Lan's instructions and walked towards the living room.

After picking up the short-wave radio station's speaker, Chen Xin responded to the call. After a conversation, Chen Xin reacted that another group member came to him to exchange ground source heat pump equipment.

After talking to Qin Lan, Chen Xin then took the gun and walked towards the entrance of the shelter. Qin Lan also hurriedly put down the work in her hand and followed Chen Xin.

After putting on protective equipment in the preparation room, Chen Xin still came to the small bunker through the passage and looked out through the observation port, wanting to see who was coming.

However, the car parked at the door of his shelter surprised him a little.

It was an eight-wheeled truck like a heavy-duty truck. Eight huge tires that were one meter high made the car still walk on flat ground even in the thick snow.

But unlike trucks, it has a solid and thick carriage like an armored vehicle. The windows on the carriage also shine from the inside and out of the carriage, illuminating a black-bottomed and red-patterned faucet pattern on the body of the carriage in the darkness.

There is no need to be carefully identified. Just these conspicuous features are enough to make Chen Xin recognize that this is a modified RV and understand who its owner is.

"Alan, don't go out first." After coming down from the cover of a small bunker, Chen Xin nodded to Qin Lan, and then opened the door to the shelter.

Qin Lan watched Chen Xin push the door of the shelter and walk out. She suddenly became nervous. The gun on her waist was also grabbed by her and was ready to rush out at any time.

Chen Xin walked out of the shelter gate and saw that the other party had not turned off the headlights, which made him a little dazzling.

So he raised the strong flashlight in his hand and shone it directly into the cab of the car in front of him, and shook the driver's eyes with the flashlight.

Obviously, the other party was also confused by Chen Xinhuang, so he quickly turned the headlights into low beams and jumped out of the car.

However, the cab of the car was obviously a bit high. After the other party jumped down, his legs were directly inserted into the snow.

"Brother Chen, why is the snow at your door so deep?" The man who got out of the car pulled out his legs from the snow, and then walked to Chen Xin with one foot deep and one foot shallow.

Looking at the figure walking in front of him, Chen Xin smiled and said, "How deep is the snow? Don't you feel like driving from the city? And how many times have I told you, don't always jump down from the cab, and don't be afraid of breaking your legs?"

"I'm used to it, let's talk about it. Who would be impatient to climb down when driving such a high-chassis car?" Although the figure was wearing a protective mask on his face, his hippie and smiling voice suddenly made people realize his youth.

Chen Xin and this person are naturally familiar with him, otherwise the other party should have called him a writer instead of a name like Xiao Chen, who would only be called a familiar person.

"Xiaolong, why are you looking for me? You don't want to change the ground source heat pump, right?" Chen Xin wanted to laugh every time he called Xiaolong, the man in front of him, because his surname was Li: "Does your shelter still need these?"

"Why don't you need it?" The man immediately refuted Chen Xin's words and said anxiously to him: "My shelter is equipped with an air conditioner. It was fine when there was electricity before, but now there is no power supply, so it depends on your own power generation. This air conditioner cannot be used!"

Hearing this, Chen Xin could understand the other party's actions, so he nodded and said, "Okay, but you also understand the rules. Have you brought both materials and exchanged goods?"

"Brother Chen, don't you know me yet? When did I, Li Yulong, have been unreliable?" Li Yulong immediately patted his chest, looking confident: "As you said, the two air conditioners are materials, and I also brought you a pickled ham and two boxes of individual soldiers' rations.

I originally wanted to get Iberian ham, but my dad didn’t let me, so I took a Jinhua ham. Brother Chen, don’t dislike it.”
Chapter completed!