respiratory exchange ratio

例句：

1. 1.The respiratory exchange ratio of the air in the room is very low, which may affect the health of the residents.
   房间内的空气呼吸交换比率很低，这可能影响居民的健康。
2. 2. The respiratory exchange ratio of the air in the room is very low, which may affect the health of the residents.
   房间内的空气呼吸交换比率很低，这可能影响居民的健康。
3. 3. The respiratory exchange ratio of the air in the room is very low, which may affect the health of the residents.
   房间内的空气呼吸交换比率很低，这可能影响居民的健康。