... 打捞救生船 salvage lifting vessels 打捞器 overshot; fisher; latch jack 打捞抓具 fishing-grab ...
基于4个网页-相关网页
jack latch 带闩打捞钩 ; 打捞工具
The quick latch jack can be widely used in the coring operation in the oil and gas drilling engineering.
本实用新型 可广泛用于石油、天然气钻井工程取岩心作业中。
The quick latch jack solves the problem that the existing latch jack in the prior art is easy to unhook in the process of catching, thereby causing catching failure.
本实用新型解决了现有技术中存在的现 有打捞器在打捞过程中容易脱钩，造成打捞失败的问题。
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