The three basic types of antifriction bearings are ball bearings, roller bearings, needle bearings.减摩轴承基本上有滚珠轴承 、 滚柱轴承和滚针轴承三种.A sightseeing tour of the city is included to help you get your bearings...市区观光游也包含在内，帮助你熟悉一下这...
To keep your bearings in a desert sandstorm is impossible.在沙漠的尘暴中要想保持方位感是不可能的.With the aid of a compass the traveler can find his bearings.藉助罗盘,旅行者可以找到自己所处的方位.A sightseeing tour of the city is included to help you get yo...
The guilty criminal got a lifer, he was sentenced to forty years in prison.那个罪犯肯定要在监狱里面待很久了, 他被判刑四十年.Daniel Sparks, the Houston - born Goldman lifer who ran the mortgage department, usually arrived by a.m.当时在该部门工作的人士说, 抵...
本发明公开了一种绿色环保复合型阻垢缓蚀剂及其应用.The present invention discloses composite scale and corrosion inhibitor and its preparation.通过采用胺类和卤代烷反应,合成出在盐水及泥浆介质中具有较好缓蚀效果的缓蚀剂HZ-1.Inhibitor HZ 1 was synthesized by the reaction of amine and a...