Report - 噪音特殊健檢結果管理 - gssecurity.com.t · 2000 47.0 47 28.0 4000 57.0 57 34.5 8000 62.0 62 43.5 聽力檢查室可容許的最大背景噪音量比較 . 職業性聽力損失基準

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