确保你没有创建不可用的安装，因为你没有能力更改为完整的重新安装保存相应的东西。
Make sure you do not create impossible setups where you have no ability to change things save for a complete reinstall.
可怜的业务和生产计划的制造系统丧失能力一样坏脾气，一台机器的不可用。
Poor business and manufacturing plans will incapacitate the manufacturing system just as surly the unavailability of a machine.
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