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本文通过对上海港目前使用的两种不同尺寸的绳索一双曲臂卷纸吊具的具体分析,进一步阐明了这类吊具的工作性能,建立了相应的计算公式,并提出了工作模式问题。文中还对表明这一吊具特征的几个名词术语的含义提出了建议。
Based on the concrete analysis of two types of ropes and one double-arm hoisting reel currently used in Shanghai Port, this paper further expounds the working performance of the spreader, establishes the corresponding calculation formula and puts forward the working mode. The article also made recommendations on the meaning of several terms that characterize this spreader.