用钢丝绳或管子下入的一种打捞工具。
CS J型超级震击器是一种震击力比同规格的其它震击器大得多的打捞工具。
CSJ type super fishing jar is a fishing tool which the jarring force is larger than other jar with same specification.
通过工程实例，介绍了一种简易事故打捞工具。
Through the construction example, a simple fishing tool is introduced to deal with the accident.
通常在打捞作业中所使用的一种井下工具。它用来制作落鱼的顶部和外表面，以便使打捞筒或类似的打捞工具能够干净地与落鱼接合。
A downhole tool routinely used in fishing operations to prepare the top and outside surface of a fish, generally to allow an overshot or similar fishing tool to engage cleanly on the fish.
通常在打捞作业中所使用的一种井下工具。它用来制作落鱼的顶部和外表面，以便使打捞筒或类似的打捞工具能够干净地与落鱼接合。
A downhole tool routinely used in fishing operations to prepare the top and outside surface of a fish, generally to allow an overshot or similar fishing tool to engage cleanly on the fish.
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