portal bridge crane meaning in English
门式起重机
Examples
- Lifting appliances - vocabulary - portal bridge cranes
门式起重机 - Specification for cabins of overhead travelling cranes and portal bridge cranes for general purposes
通用桥式和门式起重机司机室技术条件 - Cranes - overhead travelling cranes and portal bridge cranes - tolerances of manufacture and tracks laying
桥式和门式起重机制造及轨道安装公差 - Cranes - information to be provided - part 5 : overhead travelling cranes and portal bridge cranes
起重机供需双方应提供的资料第5部分:桥式和门式起重机 - Cranes - access , guards and restraints - part 5 : overhead travelling cranes and portal bridge cranes
起重机.通道防护装置和限制器.第5部分:桥式起重机和门式起重机