一旦此项法规最终定稿，水泥行业将有三年的时间，通过安装污染控制装置，或者更换原材料或燃料等措施逐步实现达标。
Once the regulations are final, the industry would have three years to comply by taking steps such as installing pollution control devices or changing ingredients or fuels.
通过使用个人保护装置以及噪音控制工程，减少接触噪音时间。
reducing exposure (both occupational and recreational) to loud noises by using personal protective devices and by engineering noise control.
同时间距控制装置会根据风速旋转安装在轴承上的风叶，保持在最佳角度。
A pitch controller rotates each blade around a bearing, setting it to the best angle for the wind speed.
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