These totally manual systems are all but obsolete today.
这些完全手工操作的系统现在已经过时了。
Large systems simply become too complex too fast to be sustained with manual systems.
大型系统变得过于复杂与迅速以至于不能靠手动系统加以维护了。
In addition to built-in redundancy, all its mechanical systems had a manual override.
除了内建的冗余，它所有的机械系统采用手动优先控制。
Warning! System fluid may be hot. Use Caution when manual venting hot water systems.
警告！系统液体可能是热的。对热水系统手动排气时要小心谨慎。
Traditional patrol systems run in manual way, it's difficult to manage.
传统的巡更制度是采用人工方式，不利于对保安人员的管理。
Traditional patrol systems run in manual way, it's difficult to manage.
传统的巡更制度是采用人工方式，不利于对保安人员的管理。
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