词汇	step-ladder method
释义	step-ladder method 梯式分摊法,梯级分配法
随便看	benign lesion benign lesion of breast Benign lesions benign lichenoid keratosis benign lipoblastoma benign lipoblastomatosis benignly benign lymphadenomatous granuloma benign lymphadenosis benign lymphadenosis of mucosa benign lymphangiomatous papule benign lymphecytic meningitis benign lymphocytic infiltration of jessner benign lymphocytic meningitis Benign lymphocytoma cutis benign lymphoepithelial lesion benign lymphogranuloma benign lymphogranulomatosis Benign lymphogranulomatosis Benign lymphogranulomatosis of Schaumann benign lymphoid hyperplasia Benign lymphoid polyp benign lymphoma benign lymphoma of stomach benign lymphoreticulosis