钢质零件上与密封唇接触的表面以镀铬.The steel member is chromium plated on those surfaces with which the seal interacts.现在, 新的模型使用漂亮的, 有光泽的镀铬六角形镙丝.Now, new models use nice, shiny chrome, hex - head screws.专业引进最新的亚光铬 ( 沙丁铬 ) 镀镍, 镀铬工艺.Profe...
这边缘必须切割到0.02毫米的精确度.The edge must be machined down to 0.02 millimetres.在你的描述中,必须认真地考虑细节的精确度.Be careful about the precision of detail in your descriptions.高度发展的控制系统能够以极高的精确度制导这些火箭.Highly developed control systems could gui...
Everyone has days when they feel dejected or down.每个人都有沮丧失意或情绪低落的时候。She looked so dejected when she lost the game.她输掉比赛时情绪显得非常低落。A man used to vicissitudes is not easily dejected.饱经沧桑,不易沮丧....
The old bridge can hardly bear up its own weight now.这座旧桥现在几乎撑不起它本身的重量了.It is particularly difficult to bear up against the midsummer heat.仲夏酷暑尤其令人难熬.The old aged cannot bear up against the midsummer heat this year.老年人不胜...
No amount of tinkering is going to improve matters.任何小修小补都是于事无补的。He's outside tinkering around with his bike.他在外面捣鼓他的自行车.Both parties are disstisfied with " piecemeal tinkering " and " muddling through ".二者都不满足于 “ 渐...