震击器主要有两类：液压震击器和机械震击器。

There are two primary types, hydraulic and mechanical jars.

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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.

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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.

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