mast derrick

基本解釋

• [經(jīng)濟學]桅式吊車

英漢例句

雙語例句

• Do not throw objects off the floor, mast or derrick.
  不允許從鑽臺上或井架上，往下亂扔東西。
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• Do not leave pipe or collars that are not in use standing in mast or derrick.
  不許在井架上排放用不著的鑽桿和鑽鋌。
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• The frame of mast derrick that is designed for hydraulic wheel tractor hoist adopt welding of armor plate, its section is oblong armor plate, and its material is HG60.
  爲滿足液壓輪式通井機的使用要求而設(shè)計的桅桿式井架採用板銲結(jié)搆， 主躰截麪爲長方形的方形鋼， 材料爲HG60。

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詞組短語

短語

• mast or derrick 井架
• guyed -mast derrick [機]把桿起重機
• mast -shaped derrick 桅桿式井架
• single -mast derrick 單桅桿鑽塔
• the single -mast derrick 單桅桿鑽塔

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專業(yè)釋義

經(jīng)濟學

• 桅式吊車