长龙是什么生物简介：The current difficulty is that we cannot pass through the deep and long trench. We can approach the bunker using soil work, but the efficiency is too slow and we don’t have that much time. Everyone is thinking of a way!
The current difficulty is that we cannot pass through the deep and long trench. We can approach the bunker using soil work, but the efficiency is too slow and we don’t have that much time. Everyone is thinking of a way!
