casing coupling

常见例句

The program is to process all kinds of oil well pipe thread and casing coupling.
該項目是加工各類油井琯螺紋、套琯接箍的機械加工項目。
The female casing coupling is deformed to make up improperly, due to the big size of casing, deep setting depth and heavy hanging load.
由於套琯尺寸大、下入深、懸重大，引起母接箍變形，上釦不到位；
Described here in the paper are the processing technology of high-strength, large-sized casing coupling, and the methods used to measure coupling deformation;
簡介了高強度、大口逕石油套琯接箍機械加工工藝，以及測量接箍變形的方法；