overhead cranes with simple girder
单梁式起重机
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短语
电动单梁桥式起重机
electric single-beam bridge crane
手动单双梁桥式起重机
hand-operated single-and-double beam bridge crane
单主梁桥式起重机
Single girder overhead crane
单梁悬挂式起重机
mono rail suspension crane
单梁自行式起重机
single-beam travel crane