70年代初,有几家企业曾引进几套相同的塑料密炼机,不到10年时间,除了一家原技术力量相对薄弱的某厂,其设备仍保持无泄漏外,其余几家对一些密封泄漏束手无策,而造成泄漏的原因.则是改造失误所致。还有一家企业几年前曾引进一条国际一流的生产线,据说该企业对此生产线的改造成果已达十数项之多,而产品质量却逐年下降,失掉了国际市场。 外国的设备并非一切都先进,大量的事实已经证明了这一点,因此对其落后或不适于我国生产条件的部分,经过充分论证后加以改 In the early 1970s, several companies had introduced several sets of identical plastic mixers. In less than 10 years, except for a factory with relatively weak technical power, its equipment remained leak-free, and others sealed up. Leakage is at a loss, and the cause of the leak is due to an error in the renovation. Another company had introduced a world-class production line a few years ago. It is said that the company’s transformation of this production line has reached more than a dozen items, and the quality of its products has been declining year by year, losing the international market. Foreign equipment is not everything advanced. A large number of facts have proved this point. Therefore, the part that is backward or unsuitable for China’s production conditions is reformed after full demonstration.