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遵照毛主席关于“一切产品，不但求数量多，而且求质量好，耐穿耐用”的教导，为了及早向用户提供性能可靠、精度稳定、效率高的数控机床，沈阳第一机床厂等单位在研制数控机床中坚持“一切经过试验”的原则，正确处理产品设计、试制、试验与生产验证之间的辩证关系。他们对数控机床继性能试验之后，又进行了大量的生产验证工作，逐步解决了生产试用中暴露的问题，使机床稳定性有了较显著的提高，为产品定型和小批试生产打下了较好的基础。这种试制后进行较长时间生产验证的做法，是值得提倡的。
In accordance with Chairman Mao on “all products, not only for quantity but also for good quality, durable wear-resistant” teaching, in order to early users with reliable, stable precision, high efficiency CNC machine tools, Shenyang Machine Tool Plant and other units in the first Development of CNC machine tools adhere to the “all tested” principle, the correct handling of product design, trial production, test and production of the dialectical relationship between the certification. After their CNC machine tool performance test, they carried out a large number of production verification work, and gradually solved the problems exposed in the trial production, the stability of the machine has been significantly improved for the product stereotypes and small batch of trial production laid a more Good foundation This trial after a longer period of time production verification practices, it is worth promoting.