overhead travelling crane
短语词组
- overhead hand travelling crane 手动行车
- overhead travelling crane with crab 绞车式桥式起重机
- overhead travelling crane with hoist 电动葫芦桥式起重机
- multi functional overhead travelling crane 多功能天车
- two -girder overhead travelling crane 双梁式架空移动起重机
- travelling overhead crane 天车 返回 overhead travelling crane