英语词汇“sound insulation grading”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	sound insulation grading
释义	sound insulation grading 隔声等级
随便看	chain threading chain tie chain tier chain tightener chain-tightener chain tiller chain timber chain timbers chain to chain tong chain tongs chain tongss Chain too slack! Chain too taut! chain tower chain towers chain track chain track combine chain-track combine chain track tractor chain traction chain transfer chain-transfer agent chain transfer agent chain-transfer coefficient 学究天人学老于年学而不厌学而优则仕学而时习之学识渊博学贯中西学非所用孧孨オモテムキオモテモンオモテ向キオモテ成シオモテ書キオモテ替エオモテ立ツオモテ通リオモトオモト