| 1. | The hand trolley is noe of key part in the swicth cabinet , which is welding and flexing mand by steel armor bpate , there are four idler wheels under the bottom of the trolley than can move along the horiaontal direction , it is composed of the grounding contact , oricnted device , locked framework and hand setup device of the trolley coming and going
手车是开关的核心部件之一，用钢板弯制焊接而成，底部装有四只滚轮，能沿水平方向移动，还装有接地触并没有、导向装置、锁定机构及手车进出摇机构装置。 |
