英语词汇“FBH (flat bottom hole)”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	FBH (flat bottom hole)
释义	FBH (flat bottom hole) 底孔
随便看	ventilation circuit ventilation-circulation ventilation-circulation(ratio) ventilation coefficient ventilation column ventilation connection ventilation control ventilation cover ventilation cowl ventilation cross-cut ventilation curtain ventilation cycle ventilation damper ventilation design ventilation device ventilation device of kiln ventilation diagram ventilation door ventilation drier ventilation drying ventilation drying unit ventilation duct ventilation ducting ventilation duct spacer ventilation efficiency 少壮不努力，老大徒伤悲。少壮不努力，老大徒伤悲！少壮不努力，老大徒悲伤。少壮时读书多记忆，老成后见识进，读书多解悟。少壮能几时，鬓发各已苍少壮能几时？鬓发各已苍！访旧半为鬼，惊呼热中肠少壮莫轻年，轻年有衰老少壮要努力少壮轻岁月，迟暮惜光辉。少壮轻年月，迟暮惜光辉。 44666 44667 44668 44669 44670 44671 44672 44673 44674 44675