英语词汇“contract grades”的读音、翻译、释义、用法及例句-智慧网

词汇	contract grades
释义	contract gradescontract grades1.■契约品级，合同等级
随便看	floor beam floor beam cover plate floor block floor board floorboard floor-board floorboarded floorboarding floor boarding floorboards floor boundary line floor box floor brad floor brick floor broker floor brooding floor brush floor buffer floor buffer system floor burst floor charging machine floor chart floor clamp floor cleaner floor clip

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