英语单词大全

normally-closed control element

中文翻译

[计] 常闭控制元件

今日更新

更新时间：2025-07-15 22:56:39

bunker mentality

technical know-how

full face flange

N-methyl-N'-nitro-N-nitrosoguanidine

special disburser

rhizoma bolbostemmae