“许用”造句
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 on production practice.
通过研究得出了特高压变压器的主绝缘的最大
许用工作电压.
Through researches the maximum permissible operating voltage for the main isolation of UHV transformers is obtained.