Examine the check valve, cut off valve of auto water supplying system see if open or close correct.

检查自动给水系统的止回阀，截止阀等各阀是否正确开启或关闭。

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Help tool Windows can be floated, docked and pinned open, or set to auto-hide when not in use, much like tool Windows in the ide.

说明工具视窗非常类似IDE中的工具视窗，它可以浮动、停驻且固定开启，或者设定为不使用时自动隐藏。

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