pipe thread

基本解释

Then analyses the measuring data and get the series parameters of the petroleum pipe-thread.
最终对测量数据进行分析评价，得到了石油管螺纹的一系列参数。
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。
It is introduced that manufacturing principle of inside thread copper pipe-for the Heat Exchange Element of air condition.
简单介绍了空调器热交换元件——内螺纹铜管的制造原理。