航海航天英语词汇大全第797页 ... derrickcappiece吊货杆端部金属箍吊杆头装置 derrickcapacity吊杆负荷 derrickcrab摇臂起重机 ...
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stacking capacity of derrick 井架的钻杆立根容量
Lifting Capacity of Vessel's Derrick 船舶吊杆负荷单
capacity of derrick 吊杆负荷量
Along with the lowering of the load capacity of the derrick, the strain parameters of the structure change accordingly.
与承载能力降低的同时，井架结构的应变参数也发生相应的变化。
The application and effect of US Derrick overlapping high frequency vibrating fine screen in the transformation for capacity expansion of System 321 in Ekou Iron Concentrator are described.
介绍了美国德瑞克重叠式高频振动细筛在峨口铁矿选矿厂321系统扩能改造中的应用和效果。
The hoisting capacity of that gin pole (girder pole, guy derrick) is sixty tons.
那个起重抱杆（格状抱杆、转盘抱杆）的起重能力为60吨。
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