... 卫生衬垫 hygiene covers 听阈级 hearing threshold level 声衰减 sound-attenuation ...
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... HTL Hearing Threshold Level 听力阀值水平 HTL Hearing Threshold Level 听力阀值水平 HTL High Threshold Logic 高临界值逻辑 ...
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... 听力掩蔽图 masking audiogram; 听力阈级 hearing threshold level; 听力障碍 dysaudia ...
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