harmful factor

基本解释

The noise hazard is the bigger harmful factor of occupation job grading in Thermal power plant.
噪聲是電力行業比較突出、影響較大的職業性有害因素。
Non-coal underground mine is big and complex system, carry out safe appraisement must first the existent major dangerous, harmful factor in system argue one by one to know.
非煤地下鑛山是個大而複襍的系統，進行安全評價必須首先對系統中存在的主要危險、有害因素逐個進行辯識。
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.
生産性粉塵是燃煤火電廠一大職業性有害因素，從原煤進廠到鍋爐燃燒、排放的整個過程均有粉塵産生。