The huge travelling crane has not yet been put up.

巨大的龙门吊车还没有安装起来.

Travelling crane drags heavy parts right over heads of factory workers.

起重机拖动着沉重的部件,在工厂的工人头上晃来晃去.

Planar bearing load cell designed particularly is used to alarm for travelling crane overload.

特殊设计的平面承载式传感器，专用于天车过载报警。

The paper analyzes the cause of the breakdown of spike pulling travelling crane and suggests solutions to avoiding the hidden danger in possible accidents.

通过对拔棒天车的故障原因进行分析，提出了解决办法，消除了事故隐患。