The water-making equipment is prepared to use Martian soil to make water after landing. The reserve water carried by the spacecraft is used during the flight. The male protagonist was a long and boring journey and kept tossing about the water-making equipment he invented. After discovering that there was something wrong with the equipment, he didn't want to be in trouble because of it, so he concealed the truth and repaired it privately instead of reporting it. During the maintenance, the male protagonist had a flash of inspiration or a sudden brainstorm, and changed the line to connect to the spacecraft. As a result, serious consequences were caused. Strange, after all, the modern space station water circulation system is connected to the water storage tank, sweat, urine, air moisture will be recycled as drinking water. After the spacecraft landed on Mars as a long-term base, it is reasonable for the water production equipment to store water into the spacecraft water tank for a long time) . The male protagonist tried many times to repair and failed. After drinking water became scarce, he had to disconnect the spacecraft's water recycling system so that condensed water would no longer enter the contaminated spacecraft's water storage tank, that is, the intercepted water could barely survive. During the period, I felt that the equipment was repaired. As a result, I tried to make water with the soil of the experimental plant I carried, and found that the water produced was still not drinkable. So even if you land on Mars, there is endless soil, and you can't make drinking water. The trapped water recycling system of the spacecraft cannot support long-term survival, and it is useless to get water from the earth method. Therefore, landing on Mars is a dead end, but the stubborn male protagonist finally changed his mind after he had no choice but to report and was ordered to return. Determined to sacrifice himself and landed on Mars.
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