英语词汇“permanent ballast”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	permanent ballast
释义	permanent ballast 永久压载
随便看	underwater acoustic positioning system underwater acoustic receiving system underwater acoustic reflection material underwater acoustic resistance underwater acoustics underwater acoustic system underwater acoustic telemeter underwater acoustic test facilities underwater acoustic transducer underwater acoustic transmission material underwater acoustic transponder underwater acoustic velocimeter underwater acoustic wave underwater acoustic waveguide underwater adhesion underwater adhesive underwater alluvial cone underwater ambient noise underwater antenna underwater appendage underwater appendages underwater apron underwater archaeologies underwater archaeology underwater archeologies 官小不做，马瘦不骑官屋漏，官马瘦官差不由己官差不自由。官差也办，私事也办。官差吏差，来人不差。官差急如火官府不打送礼人官府不打送礼的。官当择人，不当为人择官吉席吉庆吉征吉房吉日吉旦吉星吉普吉普赛人吉普车