产品包括计时器，计算，温度控制，指示，显示器，项目和软件支持。
Products include Timing, Counting, Temperature Control, Indicating, Displaying, Sequencing, Programming and Software support.
这种阀门应该具有青铜阀体，包括整合的止回阀，使得温度控制装置能够控制冷水和热水端口。
Valve shall have a bronze body, include integral check valves and operate so the thermostat controls the cold and hot water ports.
主要的因素包括：线路电压的调节、设备房间室温、控制的温度、条件以及灯的寿命。
Significant factors include regulation of line voltage, temperature of the room in which the device operates, temperature control, and condition and age of the lamps.
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