Open valve fully to its memory setting and, on a piece of paper, record the valve setting.

将阀门完全开启到它的记忆设置点上，在一张纸上，记录这个阀门设置。

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Open valve fully to its memory setting and, on a piece of paper, record the valve setting.

将阀门完全开启到它的记忆设置点上，在一张纸上，记录这个阀门设置。

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