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.
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.
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