增大压力热剂焊 pressure thermit welding

增大压力烧焊 pressure welding

增大压力铝热烧焊 pressure thermit welding

增大压力冷焊 press cold welding

增大压力铸焊 pressure thermit welding

开式增大压力气儿焊 open butt gas pressure welding

不增大压力热剂焊缝 nonpressure thermit weld

增大压力铝热剂烧焊 pressure thermit welding