overhead travelling crane

基本解释

The overhead travelling crane is a hoisting equipment most widely used in industrial enterprises.
桥式起重机是工矿企业使用最为广泛的超重设备。
The formula under given fracture length is verified by fatigue test datas of welded box girder on overhead travelling crane.
并用桥式起重机焊接箱形梁的疲劳试验数据，对给定裂纹长度时构件疲劳可靠度的计算公式进行验算。
It is proved by practice that the new process is a effective heat treatment method for producing the travelling wheel of heavy overhead crane.
实践证明新工艺是一种生产重载天车走轮行之有效的热处理方法。