震击器 meaning in English
bumper jar
jar (drilling jar)
Examples
- Connect the safety joint and the fishing jar
接安全接头和打捞震击器。 - Put the 8 " jar on to the flexible sub
在挠性短节上接上8 "震击器。 - Jar and accelerator
震击器及加速器 - Bumper safety joint
震击器安全接头
bumper jar
jar (drilling jar)