The digital input can be used in conjunction with an external safety interlock switch.
数字输入可以和外部安全联锁开关联结在一起。
Two doors interlock each other though photoelectricity switch, automatically open and close, convenient for people (goods) to enter or exit.
通过光电感应开关实现两门互相联锁，自动开闭，为人（货）进出提供便利。
It can also be a mechanical interlock device that will not let the ignition switch turn to start if the car is in the gear.
同样，安全开关也可以是机械互锁装置，当汽车挂挡后不允许点火开关转到启动位置。
There is mechanical interlock for the drawer units, they can be opened only if the switch is at break-off state. The drawers have apparent position indication for close~ test and off.
抽屉单元装有可靠的机械联锁装置，只有在分断开关的状态下才能被打开，同时抽屉具有明显的合闸、试验、分断位置显示。
There is mechanical interlock for the drawer units, they can be opened only if the switch is at break-off state. The drawers have apparent position indication for close~ test and off.
抽屉单元装有可靠的机械联锁装置，只有在分断开关的状态下才能被打开，同时抽屉具有明显的合闸、试验、分断位置显示。
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