单词	孔腹
释义	孔腹医bulge
随便看	groove it groove joint groove jumping grooveless grooveless flange gasket grooveless roiling grooveless rolling groove lighting groovelike groove like invagination groove-like invagination grooveling groove-locating unit groove machining groove made by back chipping groove mark groove markings groove mask groovemeister groovemeisters groove memory groove method groove milling cutter groove milling machine groove muller