Automatic unattended equipment, equipment, process without human intervention.
全自动无人值守设备，设备进程无需人工干预。
We recommend that you switch off the power supply when leaving electronic equipment unattended for a longer period.
如果电子设备长期处于无人照管的状态下，我们建议把电源关闭。
Rapid expansion in the use of private automatic branch exchanges. Development of remote alarm equipment for unattended exchanges.
用户自动交换机迅速普及。开发无人交换机远端报警设备。
Always close the cylinder valve when product delivery is not needed. Do not leave it open when the equipment is unattended or not operating.
当不需要产品输出时，总是关闭钢瓶阀门。当设备无人照管或没有运转时，不要让阀门开着。
Do not leave it open when the equipment is unattended or not operating.
当设备无人照管或没有运转时，不要让阀门开着。
Do not leave it open when the equipment is unattended or not operating.
当设备无人照管或没有运转时，不要让阀门开着。
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