英语词汇mast derrick怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

短语

1
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.
为满足液压轮式通井机的使用要求而设计的桅杆式井架采用板焊结构，主体截面为长方形的方形钢，材料为HG60。
2
Tools carried into the derrick or mast should be secured to the body.
带到井架上的工具应当绑在身上。
3
The fixed set of pulleys (called sheaves) located at the top of the derrick or mast, over which the drilling line is threaded.
位于重型井架或桅架式井架顶部的固定的滑轮组（称之为滑车轮槽轮），通过该滑轮组钻井钢丝绳进行穿绳。

单词	mast derrick
释义	mast derrick 简明释义桅式吊车网络释义 1 ?桅式吊车 ... mast crane 桅杆起重机双脚架 mast derrick 桅式吊车 mast fid 桅栓 ... 短语 1 guyed-mast derrick 机把杆起重机 2 derrick mast 扒杆 ; 起重桅 ; 吊货杆桅 ; 起重把杆 3 single-mast derrick 单桅杆钻塔双语例句 1 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. 为满足液压轮式通井机的使用要求而设计的桅杆式井架采用板焊结构，主体截面为长方形的方形钢，材料为HG60。 2 Tools carried into the derrick or mast should be secured to the body. 带到井架上的工具应当绑在身上。 3 The fixed set of pulleys (called sheaves) located at the top of the derrick or mast, over which the drilling line is threaded. 位于重型井架或桅架式井架顶部的固定的滑轮组（称之为滑车轮槽轮），通过该滑轮组钻井钢丝绳进行穿绳。
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