Keep in mind a downward slope is required to aid draining and prevent damage to the sillcock due to freezing (see schematic drawing above).
Keep in mind a downward slope is required to aid draining and prevent damage to the sillcock due to freezing (see schematic drawing above).
要记住保持所需的一定斜度，以帮助排泄和防止由于冰冻而损坏洒水龙头(参阅上列示意图)。