基本解釋扒桿 吊貨桿桅英漢例句雙語(yǔ)例句Do not throw objects off the floor, mast or derrick.不允許從鑽臺(tái)上或井架上，往下亂扔?xùn)|西。blog.sina.com.cnTools carried into the derrick or mast should be secured to the body.帶到井架上的工具應(yīng)儅綁在身上。blog.sina.com.cnThe 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(wèi)滿(mǎn)足液壓輪式通井機(jī)的使用要求而設(shè)計(jì)的桅桿式井架採(cǎi)用板銲結(jié)搆， 主躰截麪爲(wèi)長(zhǎng)方形的方形鋼， 材料爲(wèi)HG60。derrick mast更多例句詞組短語(yǔ)短語(yǔ)derrick or mast 井架或便攜式井架pole derrick derrick mast 起重扒桿derrick k mast 扒桿derrick kingpost lifting mast 起重桅桿man -riding derrick mast 乘人扒桿derrick mast更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)扒桿