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...
Look at the pamphlets, and make it snappy.看看手册，动作要快。He fell under suspicion for distributing seditious pamphlets.他因散发反政府传单而遭到怀疑。Breastfeeding pamphlets are available in our hospital to help you.本院提供之母乳育婴资料对你喂哺母乳有极大的帮助.to...
Minnie was thinking of the resource which Carrie's board would add.敏妮想的却是嘉莉在他们家搭伙,可以增加些家里的收入.As usual, she helped Minnie clear away the dishes and straighten up.嘉莉像往常一样帮助敏妮洗了碗,收拾了房间.Minnie was no companion for her s...