词汇	concave bottom
释义	concave bottom 凹板分组,凹底
随便看	the Central University of Nationalities the central uplift belt the central uplift zone the central value system the central ventilator the central wall the Central Working Conference the centre chinese soviet areas the centre for european reform the Centre for Policy Studies the centre for the study of living standards the centre forward the centre of a circle the centre of attention the centre of English culture the centre of floatation the centre of gravity the centre of molecular medicine the centre of Quanzhou the centre of Shanghai the centre of shipping the centre of the city The centre of the square The Centre Of the Word The centre of things