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辐射防护基本安全标准
fúshè fánghù jīběn ānquánbiāozhǔn
basic safety standards for radiation protection
工人应该穿着全套防护服
gōngrén yīnggāi chuānzhe quántào fánghùfú
workers should wear full protective clothing
对化学防护
duì huàxué fánghù
chemical protection
环境防护
huánjìng fánghù
environmental protection
防护服务
fánghù fúwù
protection service
