error of manufacture

• 加工误差

error of manufacture的用法和样例：

例句

1. Not having to realign the optic during the machining of the reflective surfaces reduced an important source of error and helped make folding a viable approach for camera slimming.
   不必调整期间反射面减少的一个重要来源，加工误差的光学，开创了一个折叠式相机减肥可行的办法。