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防毒面具是有毒作业常用的个体呼吸防护设备，它所使用的化学滤毒盒，能将吸入空气中的有害气体或蒸气滤除，或将其浓度降低，保护使用者的身体健康。根据我国的标准，通常将滤毒盒分为防有机气体、防氨气、防汞蒸气和防酸性气体（如氯气、氯化氢和二氧化硫等）。了解滤毒盒如
Gas masks are common personal respiratory protective equipment poisonous operations, it uses the chemical cartridge, can inhale harmful gases or vapors in the air filter, or reduce its concentration, to protect the health of users. According to our standard, the filter cartridges are usually divided into anti-organic gas, anti-ammonia, anti-mercury vapor and anti-acid gas (such as chlorine, hydrogen chloride and sulfur dioxide, etc.). Learn to filter cartridges such as