6个数复式三中三多少组怎么计算

简介：To operate a sea ship, especially a large ship like a three-masted battleship, the learning process and accumulation of experience cannot be completed in a short time. An experienced sailor cannot be bought with money. It must be sharpened over time, so he is not good at all. Don't be in a hurry. There was a saying in the previous life, "Ten years of army, a hundred years of navy", that's what it means.