internal pipe thread_石油英汉词典
internal pipe thread
[石油英汉词典]
internal pipe threadn.管子内螺纹
是什么意思，internal pipe thread的解释，internal pipe thread的翻译
[船舶英汉词典] internal pipe thread
n.管子内螺纹
internal pipe thread_石油英汉词典internal pipe thread
[石油英汉词典]
internal pipe thread是什么意思，internal pipe thread的解释，internal pipe thread的翻译
[船舶英汉词典] internal pipe thread
