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

单词	hard bottom
释义	hard bottom 硬底;硬土
随便看	step-up method step-up motor step up n. step upon step up operator step-up operator step-up piston spring step-up poston step-up procedure step-up pulse transformer step up pulse transformer step-up ratio step-up ring step-ups stepups step up side step-up side step up something step up sth step-up substation Step-up swap step-up system step up to step up to the plate step - up transformer hmch hmcp hmcs hmdm hmdy hmgd hmgh hmgl hmgs hmgz 41660 41661 41662 41663 41664 41665 41666 41667 41668 41669