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common perpendicular

美英

数学专业英语词汇_数学吧_百度贴吧 ... common multiple 公倍元 common perpendicular 公有垂线 common point 公共点 ...

工程相关外语-轻松数控网 ... 公垂线，公法线 common normal 公垂线 common perpendicular 共点，交点 common point ...