短語詞組短語hazard degree assessment 危險度評價geological hazard risk assessment 地質(zhì)災害危險性評估natural hazard risk assessment 自然災害危險性評價hazard risk assessment 災害風險預測hazard assessment study 危險程度評估研究hazard assessment of chemicals 化學物質(zhì)的危險評價process hazard assessment 過程系統(tǒng)危險評價hazard assessment model 危險評價模型hazard assessment index 危險性評價指標 返回 hazard assessment