This is acceptable as long as the ability to vent and drain is available.

只要排气和排水能力是合适的，这就是可取的。

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Install drain hose to vent tube at bottom of pump.

在水泵底部安装排放管到排水管。

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Install drain hose to vent tube at bottom of pump.

在水泵底部安装排放管到排水管。

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