提供了一种制冷系统，其具有至少两个串联连接的压缩级。

A refrigerant system is provided with at least two stages of compression connected in series.

youdao

提供了一种制冷系统，其具有至少两个串联连接的压缩级。

A refrigerant system is provided with at least two stages of compression connected in series.

youdao