On the base of analysis and comparison, the thermal conductivity type of gas meter was considered the most promising field fumigant concentration detector.
经过比较分析，热导气体检测仪被认为是最有应用前途的现场熏蒸剂气体浓度检测仪。
2
The thermal resistances of plane surface and pill surface of silk velvet are tested by thermalmeter of type ASTM.