... single connection plane switch 单联开关 single consignment 整批交货 single contact 单触点 ...
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A method of determining elevating capacity for cranes in loading and unloading railway heavy goods is discussed, considering single loads of consignment of goods as a normal mass.
本文研究在正态总体下，铁路装卸笨重货物专用起重机起重量的确定方法。
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