danger and harmful factors
danger and harmful factors
危险有害因素
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The main danger and harmful factors existing during the production of acetylene were introduced. The occurred accident cases were analyzed, and the preventive measures were proposed.
介绍了乙炔生产过程中电石及乙炔的主要危险和有害因素，分析了发生的事故案例，并提出了预防措施。
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