“通井”造句
2024年07月01日 13:18:18
起出
通井管柱,检查
通井规擦痕.
Pull out the drifting string and check the gauge for scratch.
但下放前要
通井,不易过快,下放到预定位置时必须有一套管接箍缝,具承上压能力小.
When the bridge plug comes to desired position, there must be a casing coupling seam.
广泛应用于油田用修井机 、
通井机及其它工程机械.
It's widely used in oil fields with workover rig, well - machine and other mechanical engineering.