derrick man

常見例句

雙語例句

• The driller and the derrick man must remain in constant radio contact.
  司鉆和井架工必須用對講機一直保持聯系。
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• The derrick man, positioned at the crown block, is to advise the driller when the snake is coming through the crown sheave.
  井架工看守在天車上，當蛇皮接繩器到達天車時，通知司鉆。
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• 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.
  可以使用配了安全帶或助爬帶的工作吊椅進行高空作業(yè)。
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