According to the introduction of telecommunication equipment's character, this paper discusses the installation, design methods and designing calculation of its special air-condition.
通过对通信机房特点的介绍，探讨通信机房专用空调的设计计算及安装设计方法。
The condition, which can cause extreme daytime sleepiness, can be effectively treated with a special breathing device that alleviates the blockage by pushing air into throat.
这种情况造成患者白天过度倦怠，通过特殊的呼吸装置向咽部正压送气，可缓解气道阻塞，有效治疗该病。
The paper introduced the special washing device, which was developed successfully by a series of simulation test, for cleaning the air -condition unit of passenger car.
介绍了为清洗客车空调机组研制的超声波专用清洗设备。
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