在选用压力机时,必须严格按照许用负荷曲线图来选择.It is shown that permitted load curve must be implemented in choosing crank press.提出的设计数据如安全系数、许用应力均根据生产实践的应用所确定.Some datum, for example safety factor and allowable stress are put forward based o...
Body builders shave their chests to show off their muscles...健美运动员剃去胸毛以展示肌肉。He was conscious of the faint, musky aroma of after-shave.他注意到了须后水淡淡的麝香味。She had to call a barber to shave him.她不得不叫个理发师来给他刮脸。A mustache-hater, ...
Above thellos , where the cognoscenti prowl , prices reach six figures for perpetual calendars, tourbillons and repeaters.除这些之外,万年历 、 陀飞轮和报时器等功能更是遭到老手追捧, 其价格达到了六位数.He is on a perpetual search for truth.他毕生在寻求真理.Organised...