公法线长度测量 meaning in Chinese

common normal length measurement

Common normal length measurement
公法线长度测量
Abstract : the measurement of asymmetric gear is discussed , especially the measurement of base tan - gent length of this kind of gear is studied in details . the formula of measuring and calculating the base tangent length and the number of tooth - jump are deduced in order to use in real production
文摘:就非对称齿轮的测量问题进行探讨，特别是公法线长度测量进行详细研究，并推导出计算公式和跨齿数，以便于以后在生产上使用