英语词汇“grade down”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	grade down
释义	grade down短语¹⁴⁴⁹⁷²⁺² 基本例句降低…的等级 Actually, it has not only kept the superior grade down but also overcomes the inflammable shortcomings, using very safe and convenience. 它保留了“微胶囊包覆红磷”的优良性能的同时，克服了易起火的危险性，使用安全方便。 e-998
随便看	锥形根式锥形栽植法锥形桩锥形桩钉锥形橡胶领口锥形止推轴承锥形残肢锥形毡轮锥形沉降槽锥形法锥形波导锥形波束锥形活检锥形活组织检查锥形流锥形流动锥形流化床锥形浮标锥形滚刀锥形滚柱锥形滚柱止推轴承锥形滚柱轴承锥形滚珠轴承锥形滚筒锥形滤器