The operating error was due to carelessness pure and simple.
操作失误纯粹归因于粗心大意。
Fixing a cutting tool in best direction will make the operating error smallest. This direction can be obtained by fixing and testing the measured element only one time.
镗床类主轴在最佳方位上装刀，可使加工误差最小，此方位只需被测元件一次安装和测试即可求出。
Fixing a cutting tool in best direction will make the operating error smallest. This direction can be obtained by fixing and testing the measured element only one time.
镗床类主轴在最佳方位上装刀，可使加工误差最小，此方位只需被测元件一次安装和测试即可求出。
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