A superposition cut is used to describe a cross section of a part by revolving it around an axis of revolution and placing it on the views on the axis.是什么意思_A superposition cut is used to describe a cross section of a part by revolving it around an axis of revolution and placing it on the views on the axis.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句