There was a whine of hydraulics as the undercarriage locked into position.随着液压系统嘎吱一声响，起落架进入了锁定位置。The undercarriage on light aircraft does not always retract in flight.轻型飞机飞行时起落架不一定缩回.A kind of cutter undercarriage mechan...
When reaming iron links, the reamer should not be askew.铰削铁链时铰刀不能歪斜.Operations, such as reaming and tapping, are also classified as drilling.绞孔和攻丝也归类于钻孔.Shallow cone crown profile pilot bit , reaming by reamerwing, heavy...
他们都是堂堂的男子汉,都是些敢于面对现实的人.They were men enough to face the darkness.衍圣公是个身材高大, 肩膀宽阔, 相貌堂堂的人.The Duke was tall, broodshouldered , aristocratic looking.在那所大学里,一定能把他造就成堂堂的男子汉.It will make a man of him in the college....
He was a sketcher and a copper - plate engraver .他也是杰出的素描家和 铜版画 家.He was once an engraver in a printing factory.他以前是印刷厂的一名刻工.Burin: A pointed engraver's steel tool used for cutting.雕刻刀: 雕版专用的尖钢刀....
He's becoming more and more obsessive about punctuality.他对守时要求越来越过分了。He's been taken to task for his habitual lack of punctuality.他因为经常不准时而受到批评.He gave the child a lecture on the importance of punctuality.他教训孩子...
要确定事态演变的明确结果,并不容易.It is not easy to establish the exact sequence of events.他论证说,生物是由于一些小的遗传变异的积累而逐渐演变的.He argued that organisms evolve gradually by accumulating small hereditary changes.每项发展都是而且将来也是逐渐演变的.Each development...