Thisheat energy is then transferred to a secondary loop of water.
热能然后传递给次环中的水。
As the water in the primary loop circulates, it becomes very hot.
水在主环的循环中变热。
When you use more water, it just goes around the loop a little faster.
当你的用水量加大时，也不过是稍微加快了水进入循环的速度罢了。
45 min the water level in the primary loop continues to drop.
45分钟主回路的水位继续下降。
This closed loop is part of a water-supply system in which "every drop counts".
这个封闭循环是供水系统的一部分，“滴滴珍贵”。
This closed loop is part of a water-supply system in which "every drop counts".
这个封闭循环是供水系统的一部分，“滴滴珍贵”。
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