Both must be given tolerances in keeping with the allowance desired, the manufacturing processes available, and the minimum cost of production and assembly that will maximize profit.
所采用的制造工艺和使利润最大化的最小生产及装配成本都要求给定公差以保持所需允差。
2
Tolerance restricts manufacturing error of part, and allowance redeems the error that comes into being in the process of product assembly.