电梯修理工可以转动这根杠杆直接操作机器。An elevator mechanic can work the machinery directly by turning this lever.锹和耙的手柄较长，可发挥较好的杠杆作用。The spade and fork have longer shafts, providing better leverage.我们不得不借助杠杆之力来移动这块巨石.We'll have to us...
使用一套正确的, 对口的书籍是相当重要的.Use correct, the book of speak or sing alternately is quite important.使他呼吸的最好的做法就是采用口对口的办法.The best thing to start his breathing is to use the mouth - to - mouth way....
The tally was three yeas and two nays, so the yeas have it.投票结果是三票赞成两票反对, 投赞成票者胜利.He looks about thirty yeas old.看起来大约30岁.By ten yeas struggling the technique and scope of thethe foretype of model companies.通过近十年努力,技术和规模...
the characteristics of periodic and aperiodic tasks周期任务和非周期任务的特点Events that are aperiodic and represent an occurence.不定期的并表示出现一次的事件.Such aperiodic motions are not quantized.这种非周期性的运动不是量子化的.Inertia element ( aperiodic ele...
Narrow Hemmer Foot: for rolled machine hem stitching.狭窄的翻边压脚: 用于卷边缝.She braided the neckline, hem and cuffs of the dress.她用穗带装饰连衣裙的领口 、 摺边和袖口.Result of primary strctural an - alysis showed that the variant hem - oglobin ...
Hardware stores have sold out of water pumps and tarpaulins.五金店内水泵和防水油布已经卖光了。There are already long queues of vehicles at petrol pumps.加油泵边车辆已经排起了长队。The work consisted of throwing up embankments and installing water turb...