Encloser: made of high-classed steel, more firmly and dexterous.

罩壳：精钢压制罩壳、坚固中显轻巧。

The encloser trailing bar assembly is arranged behind the gear case assembly.

在齿轮箱总成的后面，设置有罩壳拖板总成。

The invention discloses an uninterrupted dual power supply changeover switch, which comprises an encloser, a contact on-off system and a mechanical transmission system.

本发明公开了一种无间断双电源转换开关，包括壳体、触头分合系统、和机械传动 系统；

The production line breathes in less amount of air due to being provided with the encloser and movable doors, thereby effectively reducing environment pollution and improving operation environment.

生产线上设置罩壳和移动门，吸气量少，能够有效地减少环境污染、改善工作环境；