hearing protection

短语词组

短語

• Head & Hearing Protection 頭部及聽覺保護
• Hearing protection devices 需使用聽力保護器
• equipment of hearing protection 聽力防護用品
• hearing protection equipment 聽力保護設備
• Hearing protection must be worn 必須珮戴降噪耳機
• Active Personal Hearing Protection Device 主動式個人聽力保
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