... 起重机操作员 = derrickman 起重机操作员 = derrickmen 起重机轨道 = craneway ...
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L. C. M. has been added into the mud, tell the derrickmen to stop the shale shaker.
泥浆中已加入堵漏材料，叫甲板工关掉振动筛。
youdao
Do you understand? Call the assistant driller (A. D. ) or derrickmen down to help us.
明白了吗？叫副司钻或井架工下来帮忙。 收藏。
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