Chart trail law is the effective method to the solution of complex parts process size and tolerance using size chain principle.
图表跟踪法是利用尺寸链原理，求解复杂零件工序尺寸与公差的行之有效的方法。
To make use of dimension chain principle in comprehensive and accumulated analysis of element parts size and error is an important composition part for quality analysis in machine building.
利用尺寸链原理对机器零部件尺寸及其误差进行综合与累积，是机器制造中质量分析的一个重要组成部分。
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