double hung,double hook是什么意思,double hung,double hook的中文翻译,double hung,double hook的用法例句-行业英语-优校网

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1)double hung,double hook,双吊钩2)twin-lift spreader,双吊具3)parallel running,双吊同步4)double hanging points,双吊点5)union purchase,双吊杆6)hanging double valve system,双吊阀系统

用法例句

Container lifting operations with fixed,telescopic,and 4-guide plate fixed twin-lift spreaders are described respectively,aiming at improving container lifting operation modes and thus increasing container terminal efficiency and benefits.

介绍了集装箱双吊具的使用现状,详细论述了固定式、伸缩式和四导板固定式双吊具的吊运模式。

Stresses of union purchase under the influence of tied-guy positions;

稳索系固位置对双吊杆受力的影响

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double hung,double hook是什么意思

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