productive harmful factor
productive harmful factor
生产性有害因素
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Productive dust is an occupational harmful factor of coal-fired thermal power plant. In the whole course from raw coal approaching to boiler burning and discharging the dust has been produced.
生产性粉尘是燃煤火电厂一大职业性有害因素，从原煤进厂到锅炉燃烧、排放的整个过程均有粉尘产生。
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