关于安全补丁的一个重要方面，就是需要根据操作系统来安排停机时间。
An important aspect of security patches is that depending upon the operating system, downtime may need to be scheduled.
在由于人为或自然事故发生而触发强迫停机期间，这些冗余的、被动的安全系统不需要操作员或者电力的帮助即可工作。
These redundant and passive safety systems work without the help of an operator, or even electricity, during times of duress, be it man-made or natural.
本煎炸油过滤机设有自动报警安全系统，遇到油管堵塞或滤层堵塞，会自动发出警示，并立即自动停机。
The frying oil filter is equipped with automatic alarm security system, and meet the tubing congestion or blockage in a filter layer, will automatically alert, and automatic stop immediately.
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