发布时间:2025-02-06 02:13:50
正常运行情况下电梯频繁开关门一般都是门锁回路不通,你可以检查一下门锁的触点是否接触正常,或者是层门的锁钩没有没有复位
5.5米跨度的承重悬梁,下方没有承重墙,能否承载25吨的重量
2025-02-06 02:13:50多个电铃如何连接要求每个开关都能控制所有电铃每个电铃都有控制开关
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