Currently the traditional PID control is used in the central air-condition system.
当前中央空调系统的控制主要采用的还是传统的PID控制。
Familar with central air-condition system, Skilled in operating procedures and maintenance procedures of central air-condition.
熟悉中央空调系统，掌握中央空调的操作规程和维修保养程序。
The forms of residential central air-condition system and the characteristics of its main products are introduced in this paper.
介绍了目前家用中央空调系统的型式及主要产品的特点。
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