absorbent material backing transducer是什么意思，absorbent material backing transducer的翻译，absorbent material backing transducer音标、读音、用法和例句

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absorbent material backing transducer是什么意思，absorbent material backing transducer的翻译，absorbent material backing transducer音标、读音、用法和例句_零六五六深蓝词典