Exercises
工程科技

        1. If the density of kerosene is 808 kg/m3,how much is the mass and weight of thekerosene with the volume of 2×10-3m3?2.If pistol was pressurized,the volume of the liquid in the cylinder block is 10-3m3when the pressure is 0.1 MPa and the volume is 9.94×1......（本文共 714 字, 2 张图）     [阅读本文] >>