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...
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...
Two penguins are standing on ice floe.两只企鹅站在一块浮冰上.Ice floe distribution in the Sea of Okhotsk in the period when sea - ice extent is advancing.当海冰范围提升时Okhotsk海里浮冰分布....
I have a headache, so I need peace and quiet.我头痛, 所以我需要安宁和平静.If I have a headache, I will take an aspirin.如果我头痛, 我就服一片阿斯匹林.I have a headache ( stomachache ).我头痛 ( 胃痛 )....
After development, the eastern areas have grown famous intaglio printing plate enterprise.历经发展, 东运已成长中国著名的凹版制版集团企业.The picture shows the intaglio printing workshop of this company.图为该企业凹印制版车间.A method of printing with et...
流浪汉从深口袋里掏出了一截蜡烛。The tramp produced a stump of candle from his deep pockets.他用一截粉笔将她的指示写在黑板上。With a stick of chalk he wrote her order on a blackboard.在一次大风中，船断成了两截。In a severe gale the ship split in two....
The guard was feinted out of position.守卫被骗离岗位.They feinted and concentrated forces against the most fortified line of the enemy side.他们虚晃一招，然后集中兵力攻打敌方最坚固的阵线。The fighter feinted with his right hand and struck with his lef...