三点计算法简介：The only difference is that the gravity on this planet is very high, and the land is a kind of strange black soil. Perhaps this is also the origin of the name of the Black Prison Planet. Qin Fen felt it, and it was about three times the gravity.
The only difference is that the gravity on this planet is very high, and the land is a kind of strange black soil. Perhaps this is also the origin of the name of the Black Prison Planet. Qin Fen felt it, and it was about three times the gravity.
