| 伸缩门体采用优质不锈钢或铝合金等材料制作 |
| 添加时间：2019/11/28 14:55:22 浏览次数： |
| 伸缩门体采用优质不锈钢或铝合金等材料制作，采用平行四边形原理交接，伸缩灵活。驱动器采用特种电机驱动，蜗杆涡轮减速，设有手动离合器，停电时可手动启闭；伸缩门运行稳定、顺畅、安静，安全性高、使用寿命高。 The expansion door body is made of high-quality stainless steel or aluminum alloy and other materials. It is connected by parallelogram principle and flexible in expansion. The driver is driven by special motor, decelerated by worm and turbine, equipped with manual clutch, which can be opened and closed manually in case of power failure; the operation of expansion door is stable, smooth and quiet, with high safety and service life. |
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