overhead crane frame 高架起重机架
frame crane 龙门吊 ; 龙门吊车 ; 人字形起重机 ; 龙门式起重机
A-frame crane 人字形起重机
flexible frame crane 自由框架式起重机
simple frame combinition crane 框架组合简易起重机
t frame crane t门式起重机
C type frame crane C型龙门起重机
crane of portal frame 吊车门式刚架
This invention discloses a hollow hydraulic crane frame used for lane and face of coal mine.
本发明公开了一种适用于煤矿巷道和工作面使用的中空液压起重架。
In this stage, the lifting frame was fixed to a hook attached to a crane, and the hull was lifted completely clear of the seabed and transferred underwater into the lifting cradle.
在这一阶段，吊架固定在吊车的挂钩上，船体完全脱离海床，在水下被转移到吊篮里。
Bamboo is connected together with lashing and bamboo bolt to form a frame on the floor before being erected by crane.
竹子与绳子和竹螺栓连接在一起形成一个地板上的框架，然后再由起重机吊立。
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