They used an air compressor to take in atmospheric air, compress it, and force it into the cabin.他们用一台空气压缩机把大气中的空气吸进来，加以压缩，然后送入船舱。Automatically unloads and stops a compressor if it is not needed.需求量不大的时候,它会自动卸载和停一台机.Elec...
They used an air compressor to take in atmospheric air , compress it, and force it into the cabin.他们用一台空气压缩机把大气中的空气吸进来, 加以压缩, 然后送入船舱.The compressor - outlet pressure is nearly constant around the circumference.压气机出口压力沿圆周...
现在我们等着他们交上作文。Now we wait for them to turn in their essays.你已经写完作文了 吧 ?你动作真快.Have you finished your composition already? You are very speedy.写作文之前先写个提纲.Make an outline before trying to write a composition....
厄克特先生使用了假名，警方的调查因此受阻。Police have been hampered by Mr Urquhart's use of bogus names.入侵行动因遭遇到了出乎意料的顽强抵抗而受阻。The invasion was held up by unexpectedly stout resistance.道路由于车辆过多而受阻.The street was closed off for too many c...