这种卡瓦打捞筒是他设计的。

This kind of overshot is designed by him.

youdao

请把卡瓦打捞筒接上，下钻！

Please make up overshot and run hole!

youdao

他们的做法是使用一个卡瓦打捞筒和震击器去打捞落鱼。

Their practice is to use one over-shot and one jar for fishing.

youdao

他们的做法是使用一个卡瓦打捞筒和震击器去打捞落鱼。

Their practice is to use one over-shot and one jar for fishing.

youdao