According to product quality requirements and tolerance regulations, a model of the theory of unit manufacturing quality control is obtained.
根据产品质量要求和公差规定，建立了单元制造质量控制理论的模型。
2
During machine design, tolerance of unit ring in assembly dimension chain is usually determined by using either equal tolerance or equal accuracy method.
在机械设计中，装配尺寸链的组成环公差，一般是采用等公差法或等精度法来确定。
3
It has a simple programmable control unit that can set target weight and tolerance to feed an increment of material.