标 准 编 号：ASME B30.17-2003 简体中文标题：桥式起重机和龙门起重机(沿轨道上翼缘行走的桥架、单梁、悬挂式起重机) 繁体中文标题：桥式起重机和龙门起重机(沿轨道上翼缘行走的桥架、单梁、悬挂式起重机) English Name：Overhead and gantry cranes (top running bridge, single girder, underhung hoist)
