Stacking occurs when a series of short draws of hot water (3 gallons or less) are taken from the water heater tank.

当从热水器内取出一系列少量热水(3加仑以下)时，会发生层积现象。

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Stacking occurs when a series of short draws of hot water (3 gallons or less) are taken from the water heater tank.

当从热水器内取出一系列少量热水(3加仑以下)时，会发生层积现象。

youdao