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...
Knowledge outside day's work is regarded by most men as a gewgaw.大多数人都认为日常生活之外的知识是花里胡哨的东西.Knowledge outside the day's work is regarded by most men as a gewgaw.大部分人把日常工作以外的一切知识统统当作花哨无用的玩意儿....
She shows great diligence in her schoolwork.她上学非常用功。My mother would help me with my schoolwork.我的母亲会帮我做功课。Family frictions can interfere with a child’s schoolwork.家庭中的争吵会影响孩子的学业。He was shattered and too tired to concentr...
We stroll about these encampments, Kyla identifying species of flora, moose dung, wild raspberries, edible fungi.我们在遗弃的营地周围漫步,吉拉带我们辨认各种植物 、 鹿粪 、 野山莓和可以食用的野蘑菇....