heater charge pump 辐射进料泵
There are plenty of other benefits, too; it doesn't charge city tax; it has both air conditioning and a heater for the rooms; it also has free Wi-Fi in every room.
还有很多别的优点:它免收城市税;房间里有空调和暖气;每个房间都有免费的无线网络。
In order to study the effects of refrigerant charge on the performance of a small-sized heat pump water heater, many experiments under different charge were carried out.
为了研究制冷剂充注量对小型空气源热泵热水器性能的影响,进行了不同充注量实验。
应用推荐