短語詞組短語cylindrical stream surface 圓柱流面cylindrical elliptic surface 二次橢圓面cylindrical slide surface 圓柱形滑動面cylindrical E surface 圓柱面cylindrical slip surface 圓柱狀滑動面cylindrical gear surface durability 圓柱齒輪接觸強度cylindrical gear surface 圓柱形廓面cylindrical supporting surface 圓柱支承面cylindrical singularity surface 圓柱奇異面 返回 cylindrical surface