9个数三中三筒复共有多少组

简介：At 10 o'clock in the morning, the first batch of four simple shield vehicles and more than a dozen ladders were completed. But Wu Sangui was not in a hurry to attack the city. It was not until after noon that the soldiers had a full meal and more shield carts and ladders were built, which were enough to form a large-scale deterrent. Then he waved his whip and said: attack the city!