external thread_海运英汉词典
external thread
[海运英汉词典]
external thread外螺纹，阳螺纹
是什么意思，external thread的解释，external thread的翻译
[新英汉石油技术词典] external thread
[机械英汉词典] external thread
[机械工程英汉词典] external thread
[水利英汉词典] external thread
[航海英汉词典] external thread
[造纸英汉词典] external thread
