1)class lower limit,组下限2)lower class limit,组下限3)carriage group dropping,车组下落4)array subscript,数组下标5)the lower Longtou Formation,垄头组下部6)fossil plants Eorly Cretaceous,义县组下部7)lower Yanchang formation,延长组下部8)Xingouzui formation,新沟咀组下段9)the lower part of Damoguaihe formation,大磨拐河组下段10)hydro power generator set bottom frame,水电机组下机架
用法例句
The lower Yanchang formation was a new exploration area in the middle of the west Ordos basin.
