该装置采用低廉ccd摄像机，配以可见和红外发光二极管组成。
The device used the cheap CCD camera and visible light led and infrared ray led.
数码涡旋空调系统由室内机、冷媒配管和遥控装置等组成。
The digital scroll air conditioning system is consisted of indoor unit, outdoor unit, refrigerant pipe and remote control equipment.
实际安装使用空调器过程中长配管出现的情况越来越普遍，尤其是近几年，轻型商用空调的普及使用，使得大部分室内机安装位置与外机放置相距较远，导致空调制冷能力下降较大。
The long connection pipe of air condition leads to the decline of the air-conditioner's capacity in many projects. In recent years the application of light commercial unit increases this phenomenon.
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