derrick mast
基本解释
- 扒杆
- 吊貨杆桅
英汉例句
- Do not throw objects off the floor, mast or derrick.
不允許從鑽台上或井架上，往下亂扔東西。
blog.sina.com.cn - Tools carried into the derrick or mast should be secured to the body.
帶到井架上的工具應儅綁在身上。
blog.sina.com.cn - 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計的桅杆式井架採用板銲結搆， 主躰截麪爲長方形的方形鋼， 材料爲HG60。
雙語例句
词组短语
- derrick or mast 井架或便攜式井架
- pole derrick derrick mast 起重扒杆
- derrick k mast 扒杆
- derrick kingpost lifting mast 起重桅杆
- man -riding derrick mast 乘人扒杆
短語
专业释义
- 扒杆