国外化工企业防毒措施化工生产是颇具危险性的行业，有毒物质泄漏、火灾、爆炸等事故，极易造成企业职工和周围居民的伤害与死亡，对整个环境也会造成有害影响，危急时，还不得不把附近居民疏散。有毒气体或蒸汽（如硝基苯、氯气和光气等）的泄漏，轻者可使人的中枢神经受... Foreign chemical companies anti-virus measures Chemical production is a dangerous industry, toxic substances leak, fire, explosion and other accidents, can easily cause injuries and deaths of business workers and residents around the environment will also have a detrimental impact on the environment, when critical Have to evacuate nearby residents. Toxic gases or vapors (such as nitrobenzene, chlorine and phosgene, etc.) of the leak, the light can make people’s central nervous system by ...