automatic gas sampling valve 自动气体进样阀 ; 主动气体入样阀
gas sampling valve 气体进样阀 ; 气体取样阀
gas sampling probe 气体取样探头
gas-sampling probe 气体取样探测器
gas sampling apparatus 气体采样仪
gas sampling pipe 气体取样管
portable gas sampling meter 便携式气体采样仪
gas sampling system 气体取样装置
gas sampling tube 气体采样管 ; 气体取样管
This paper reports the development of a soil gas sampling device.
本文报道了研制的土壤气体采集装置。
Problems such as the high temperature, high dust content and corrosion during the gas analysing, and their solutions are listed to show the importance of gas sampling and pre-treating.
阐述烟气分析过程高温、高粉尘及腐蚀性的困难及解决方法，从而突出采样和预处理的重要意义。
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