The factors of stress concentration in thin plates used as springs in electric switches were required.
英
美
释义
要求定出用作电器开关簧片的薄板中的应力集中系数。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载