空气采样 meaning in Chinese

air sampling

Air sampling smoke detection system
空气采样式感烟探测系统
Technique specifications of sampling instruments for air in the workplace
作业场所空气采样仪器的技术规范
Air sampling for investigation of objectionable odour from river at
为东莞河流的厌恶性气味进行空气采样及调查
Air sampling smoke detector
空气采样感烟探测器
Air sampling - type detector
空气采样式探测器

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