除按照机械和液压分类以外，震击器还可以分为钻井用震击器和打捞用震击器。

In addition to the mechanical and hydraulic versions, jars are classified as drilling jars or fishing jars.

youdao

除按照机械和液压分类以外，震击器还可以分为钻井用震击器和打捞用震击器。

In addition to the mechanical and hydraulic versions, jars are classified as drilling jars or fishing jars.

youdao