“sound insulation coefficient”的概念、定义、翻译、参考文献-科学参考

单词	sound insulation coefficient
释义	sound insulation coefficient 隔音系数
随便看	single helical gear single-helical heater single-heterojunction laser single-heterojunction laser diode single-hetero laser single-heterostructure junction laser single-hinged arch single hit theory single-hoisting single-hole directional coupler single-hole nozzle single hook airless shot blasting machine single-hook piston ring single-hook ring single-hop transmission single horizontal block single horn anvil single-hose nylon fixing seat single-hump camel single-humped camel single-hung window single identifier single ignition single ignition system single-impeller impact breaker

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