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单词 drilling cable
释义 drilling cable
noun
Etymology: drilling from gerund of drill (IV)
: a cordage product made of three ropes twisted together with a left lay, having the surface treated with lubricant to resist abrasion, heat, and water, and used as the line to which drilling tools are attached in well drilling and quarry drilling
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更新时间:2024/11/13 19:02:37