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。
The writer think out that the completely new way to settling the gnaw rail problem is correcting the deflexion of crane frame to the rails and keep the cartwheel runes along the rail central line .
本课题提出治理啃轨的新方案是纠正车架相对于轨道的偏斜，力图保证车轮沿着轨道的中心线行走。
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。
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