External factors: life region climate, dry, cold working environment air is dust, chemical gas pollution, alcohol and tobacco, spicy food stimulation, are easy to long-term chronic pharyngitis.
外界因素：生活地域气候寒冷、干燥，工作环境空气被粉尘、化学气体污染，烟酒、辛辣饮食长期刺激，都易得慢性咽炎。
Through the control of dust pollution, the working environment of mine worker is improved, the clean production is realized, and the incidence of the occupational disease is reduced.
通过对粉尘污染的治理，改善了矿山工人的作业环境，实现清洁生产，降低了职业病的发病率。
These problems are solved basically by means of the technical renovation. The pollution from coke oven production is reduced, and the working environment is improved.
通过技术改造，基本解决了此问题，降低了焦炉生产的污染，改善了工作环境。
Enclosed promote effectively prevent the dust and harmful gas pollution to the working environment.
封闭式提升有效的防止了粉尘和有害气体对工作环境的污染。
But on the other hand, there was severe noise pollution due to the special working environment and features, which put negative effects to the patients and medical staff.
同时，由于特定的工作环境和性质，使ICU内噪音污染较为严重，对病人和工作人员带来了一定的负面影响。
Wet dust removel efficiently prevent air pollution from dust and working environment is improved.
湿式除尘有效地防止了粉尘污染，改善了作业环境。
The pollution of the working environment in the production zone is reduced, the working environment is improved, and the production is increased.
减少生产区工作环境污染，改善工作环境，提高产量。
In addition, the pollution of abandoned PVC adhesive tapes which are torn down to production environment is avoided, and working capacity for cleaning is reduced.
另外，避免了撕扯下来的废pvc胶带对生产环境的污染，减少了清理工作量。
In addition, the pollution of abandoned PVC adhesive tapes which are torn down to production environment is avoided, and working capacity for cleaning is reduced.
另外，避免了撕扯下来的废pvc胶带对生产环境的污染，减少了清理工作量。
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