在排水管路上设一小迂回管段，可防止外界空气进入蒸发器内并有利于冷凝水排出。

A short passage of return pipe on the water discharge pipe may be placed to prevent outside air into evaporator and facilitate the outflow of condensate.

youdao

在排水管路上设一小迂回管段，可防止外界空气进入蒸发器内并有利于冷凝水排出。

A short passage of return pipe on the water discharge pipe may be placed to prevent outside air into evaporator and facilitate the outflow of condensate.

youdao