题型:名词解释 用微粒观点回答下列问题:(1)过滤时,水分子能穿过滤纸,说明:______.(2)缉毒犬能根据气味发现毒品,说明:______.(3)将25m3的气体加压到0.024m3的钢瓶中,说明:______.(4)液态水变成水蒸气后,化学性质没有改变,说明:______. 查看答案
题型:名词解释 An on-load release system on a survival craft means the cable can be released().A.only when the load is taken off the cableB.only when there is a load on the cableC.only when activated by the controls at the lowering stationD.at any time 查看答案