1.When one air-conditioning system serves multiple rooms, each requiring separate thermostat control, this arrangement is called：
1.当一套空调系统服务于多个房间，且每个房间均需独立的温控调节时，这种配置被称为：
2.Temperature glide refers to the difference between dew point and bubble point at a given ______.
2.温度滑移（Temperature glide）是指在给定的______下，露点与泡点之间的温差。
3. A psychrometric process in which both dry-bulb temperature and humidity ratio increase at the same time is known as
3.在某一空气处理过程中，若干球温度与含湿量同时增加，则该过程被称为：
4.HCFC-22 has properties very similar to ______.
4.HCFC-22 的物理化学性质与______非常相似。
5.The pressure force that allows air to move uniformly at the same speed through both main ducts and branch ducts is known as ___.
5.促使空气在主风管和支风管中均能以相同速度均匀流动的压力作用力，被称为：
6.Which refrigerant may exist as either a colorless gas or liquid?
6.下列哪种制冷剂既可以无色气体的形式存在，也可以无色液体的形式存在？
7.When a substance changes phase from solid to liquid or vapor, which type of energy must be added?
7.当某种物质发生相变，从固态转变为液态或气态时，必须向其补充哪种形式的能量？
8.The three primary characteristics of lubricating oil are:
8.润滑油的三项主要特性是：
9.An air-conditioning system rated at 4.5 tons provides approximately ___of cooling capacity.
9.一套额定冷量为 4.5 吨的空调系统，大约能提供______的制冷能力。
10.Converting equipment to use an alternative refrigerant instead of R-12 can be ______ due to various factors that must be evaluated beforehand.
10.将设备改装以使用替代制冷剂而非 R-12，可能会显得______，因为涉及必须预先评估的各种因素。
