The driller and the derrick man must remain in constant radio contact.
司钻和井架工必须用对讲机一直保持联系。
The artist erected a man in the front yard, that resembled a derrick.
那画家在前院画了一个人，拔地而起，就像一架起重机。
德瑞克：跟另一个男人？
Derrick: Isabelle, I met a man. He owns a radio station.
德瑞克：伊莎贝，我认识的是个男的。他有一家广播电台。
He not only had 12 points in the fourth quarter, but also a good defense man to Derrick Rose.
他不仅仅在第四节得到了12分，而且很好地防住了德里克·罗斯。
The air hoist may be used to hoist a workman (other than derrick-man) when a bosom chair with safety belt or derrick climbing belt is used to hoist the workman.
可以使用配了安全带或助爬带的工作吊椅进行高空作业。
The air hoist may be used to hoist a workman (other than derrick-man) when a bosom chair with safety belt or derrick climbing belt is used to hoist the workman.
可以使用配了安全带或助爬带的工作吊椅进行高空作业。
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