系统可以检测出空气中硫化氢气体的浓度，并且当测量值超出预设报警限时可以发出声光报警信号，提示现场工作人员采取紧急措施，减小中毒事故的发生率。
This system can measure the concentration of H2S in air. When the measured value is greater than the reference value, the alarming circuit will work. Then the hazard of danger will be decreased.
由于硫化氢极强的毒性和腐蚀性，威胁着钻采生产过程中的每一个环节，极易发生事故。
Each link in the processes of drilling and production was threatened by the very high toxicity and corrosivity of hydrogen sulfide, which was extremely easy to cause an accident.
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