grapnel
常见例句
- The invention relates to an apparatus used for maintaining a transmission facility, in particular to a jack ladder grapnel suitable for double-cracking type and four-cracking type divided conductors.
本发明涉及一种输电线维护用器具，尤其是一种适用于双分裂、四分裂 式分裂导线软梯头抓钩。
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