Methods According to Hygienic Standards for the Design of Industrial Enterprises, an all-around recognition to harmful factors was performed in small and medium enterprises. 方法參照工業(yè)企業(yè)設計有關(guān)衛生標準，識別鐵合金生產(chǎn)中小企業(yè)的工藝流程中可能存在的職業(yè)危害因素。
Then, the affecting factors and results are graded according to experts grading method, thus a risk assessment for gas pipeline leakage is achieved. 根據專(zhuān)家評分法，對危害因素指標和后果進(jìn)行評分，實(shí)現管道工作狀態(tài)的風(fēng)險評價(jià)。
