When installing the automatic waterer, make sure that the water pipes to the unit are below the frost line.

当安装饮水器时，务必确保水管到装置低于冻结线。

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When installing the automatic waterer, make sure that the water pipes to the unit are below the frost line.

当安装饮水器时，务必确保水管到装置低于冻结线。

youdao