poisonous and harmful materials的意思|示意
有毒有害物质
poisonous and harmful materials的网络常见释义
有毒有害物质 ... 风险交流 risk communication 有毒有害物质 poisonous and harmful materials 病原鉴定 Agent id.agent identification ...
poisonous and harmful materials相关例句
Other poisonous and harmful materials or elements set by nation.
国家规定的其他有毒、有害物质或元素。
Industrial waste is even more harmful since there are many highly poisonous materials in it, such as copper and lead.
工业废料更有害，因为其中有许多毒性很强的材料，如铜和铅。