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。

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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。

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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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Race relations have a greater capacity to inflame than any other social issue, reckons Derrick Campbell of Race Equality Sandwell, a local group.

ECONOMIST: The mood on the streets of a riot-hit city