在这种情况下，需要紧密配合的阀来阻止夜间反向虹吸，以防止水在热交换器盘管中被冷冻。

In this case, tightly fitting dampers are required to prevent reverse thermosiphoning at night, which could freeze water in the heat exchanger coil.

youdao

在这种情况下，需要紧密配合的阀来阻止夜间反向虹吸，以防止水在热交换器盘管中被冷冻。

In this case, tightly fitting dampers are required to prevent reverse thermosiphoning at night, which could freeze water in the heat exchanger coil.

youdao