9个数复式二中二多少组怎么计算

简介：The artillerymen on both sides loaded their ammunition, ignited the fuses, and with loud noises, they smashed the soul-killing iron bullets into the city or sent them up to the top of the city. In a short moment, Tongzhou City shook the mountains on the spot, and the smoke filled the city. It filled the air, and the whole city was plunged into loud noise and chaos.