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	casing casing adapter casing alignment tool casing anchor packer casing anchor point casing and tubing head casing animal casing appliance casing applying machine casing artificial casing bit casing block casing blowing casing board casing bolt and nut casing bowl casing breadage casing burst pressure casing by-pass valve casing caliper log casing cap casing capacity casing catcher casing cemented casing cementing 春不耕，秋不生春临柳谷莺先觉，云开花岛雉双飞。春为花博士，酒为色媒人。春为花博士，酒是色媒人春为花愁，花因春瘦，花残后，人未归来。春为茶博士，酒是色媒人春乏、秋困、夏打盹，睡不醒的冬三月春争日，夏争时春事到清明，十分花柳春云春日共朦胧，满院梨花半夜风いっとう【一統】いっとう【一頭】いっとうしょういっとうしょう【一等賞】いっとうしんいっとうしん【一等親】いっとうせいいっとうせい【一等星】いっとうちいっとうち