... API drill pipe thread 美国石油学会标准钻杆螺纹 pipe thread ring 管螺纹环 Straight pipe thread 直管螺纹 ; 直管罗纹 ...
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taper-pipe-thread ring-gage 锥管螺纹环规
Not just an added reinforcing ring, this unique pre-compression design compensates for expansion forces generated from normal tapered pipe thread joint make-up.
不仅仅增加了加固环，这种独特的预压缩结构能够抵消常规锥形管道螺纹连接结构所会产生的膨胀力。
The pipe joint comprises a joint pipe and a press cover detachably connected with the joint pipe through screw thread, wherein, a clamp ring base is arranged on the head section of the joint pipe;
管接头，该管接头包括接 头管和压盖，压盖和接头管通过螺纹可拆卸式连接，接头管的端头部设置有卡 环座；
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