短語詞組短語bottom side surface 底面Bottom plastic surface paper 塑料貼面底層紙Bottom m surface 底面;底部曲面bottom film surface 基膜面Bottom Slip Surface 底滑面top -bottom-surface roughness 頂表面和底表面粗糙度composite bottom -surface flow energy dissipation 底面流混合消能bottom hole rock surface 井底巖面bottom knuckle mating surface 下萬向接頭配合面 返回 bottom surface