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...

“许用”的拼音为：xǔ yòng...

“许用”的英语可以翻译为：allowable，permissible，permitted ...