单词	夹渣孔
释义	夹渣孔 dirt hole
随便看	Operation of coach Operation of coal-fired power plant Operation of coal powder blower operation of conditional transfer Operation of congenital coxa vara Operation of conservative operation of controller operation of craniocerebral injury operation of cross section Operation of diagnosis and treatment operation of dual system operation of electric arraratus operation of electric power system operation of electro-mechanical equipment operation of facial nerve operation offic operation office operation office for train receiving-departure operation of financial capital Operation of focal excision operation of foreign investment operation of forest parks Operation of free sacro-capsule operation of frontal sinus operation of fuzzy bornologies