片语
highly toxic material高毒性物质
hazardous materials危险物品;危险物质;火烧性材料;有毒物质
highly y toxic material剧毒物质
inorganic toxic material无机毒物
toxic persistent material持久性毒物
toxic organic material有毒有机物质
Endogenous Toxic Material内毒
toxic substances有毒物质
toxic c material有毒物质
non toxic chemical material无毒物质
biological toxic material生物性有毒物质