double-wall drill pipe
[新英汉石油技术词典]
double-wall drill pipe双壁钻杆
是什么意思,double-wall drill pipe的解释,double-wall drill pipe的翻译
[英汉石油名词] double-wall drill pipe
double-wall drill pipe
[新英汉石油技术词典]
double-wall drill pipe是什么意思,double-wall drill pipe的解释,double-wall drill pipe的翻译
[英汉石油名词] double-wall drill pipe