英语词汇“sound-hard boundary”的读音、翻译、释义、用法及例句-智慧网

词汇	sound-hard boundary
释义	sound-hard boundarysound-hard boundary1.■声学刚性边界
随便看	lignin phenol formaldehyde resin lignin plastic lignin plastics lignin precursor lignin-proteinate lignin resin lignin-sulphonate lignin sulphonic acid lignin tar pitch ligniperdous lignite lignite B lignite benzine lignite bitumite lignite oil lignite paraffine lignite tar lignite tar pitch lignite wax lignitic lignitic coal lignitiferous lignitize lignitoid lignitous coal

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