英语单词大全

tightening screw

中文翻译

[化] 紧固螺钉

今日更新

更新时间：2025-07-15 22:31:14

full face flange

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

special disburser

technical know-how

rhizoma bolbostemmae

bunker mentality