hazardous substance meaning in Chinese

危险物品
危险物质；有害物质
有害物质

Structure for the achievement of hazardous substance free operations
无有害物质运行的架构
Toxic waste , hazardous substances management
有毒废物和危险物品的管理
To consummate hazardous substances management for aviation safety
危险物品航空安全运输的管理体制
Evaluation of healty hazards caused by hazardous substances in welding
对焊接产生的有害物质的评估
Safety audit hazardous substances
安全审核有害物质

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