pipe thread

基本解釋

Then analyses the measuring data and get the series parameters of the petroleum pipe-thread.
最終對測量數(shù)據(jù)進行分析評價，得到了石油管螺紋的一系列參數(shù)。
Not just an added reinforcing ring , this unique pre-compression design compensates for expansion forces generated from normal tapered pipe thread joint make-up.
不僅僅增加了加固環(huán)，這種獨特的預(yù)壓縮結(jié)構(gòu)能夠抵消常規(guī)錐形管道螺紋連接結(jié)構(gòu)所會產(chǎn)生的膨脹力。
It is introduced that manufacturing principle of inside thread copper pipe-for the Heat Exchange Element of air condition.
簡單介紹了空調(diào)器熱交換元件——內(nèi)螺紋銅管的制造原理。