However, the gas detection between subway hub and mine are very different.
而地铁枢纽瓦斯检测与煤矿瓦斯检测有很大的不同。
Gas sensor is widely applied in environment detection, fire safety alarm, food and chemical industry.
气体传感器在环境检测、火灾与安全报警系统以及食品化工中具有广泛应用。
Some conditions, such as vaporization temperature, detection temperature and gas flow rate, etc. were also discussed.
对汽化温度、检测温度、气体流速等进行了探讨。
Then-hexane internal standard method or the standard gas external standard method is used for detection.
用 正己烷内标法或标准气体外标法进行检测。
Then-hexane internal standard method or the standard gas external standard method is used for detection.
用 正己烷内标法或标准气体外标法进行检测。
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