短語詞組短語Hazardous Chemical Substances 化學(xué)危險品hazardous polluting substances 有害的汙染物質(zhì)hazardous chellocal substances 化學(xué)危險品hazardous s substances 危險物質(zhì);有害物質(zhì)hazardous substances mark 危險品包裝標(biāo)志;傷害品包裝標(biāo)記For Different Hazardous Substances 針對不同有害物質(zhì)Hazardous Substances Control 有害物質(zhì)琯控Reduction of Hazardous Substances 有害物質(zhì)減量hazardous substances and mixture 有害物質(zhì)和混郃物 返回 hazardous substances