... square wire 释义:方形丝 square auger 释义:方钻 square field 释义:方形射野 ...
基于6个网页-相关网页
短语
方钻杆
[油气]
kelly
;
square drill rod
方钻杆旋转器
kelly spinner
方钻杆补心
[油气]
kelly bushing
;
drill stem bushing
方钻杆阀
kelly valve
方钻杆接头
[油气]
kelly joint
;
kelly bar sub
六方钻铤
[油气]
hexagonal drill collar
西方钻石
occidental diamond
方钻杆补心导盘
kelly bushing guide skirt
方钻杆安全阀
kelly safety valve
-
drill with a ferrule
drill with ferrule
·2,447,543篇论文数据,部分数据来源于NoteExpress