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我们在批林批孔和学习无产阶级专政理论的推动下,以阶级斗争为纲,遵照伟大领袖毛主席“独立自主、自力更生”的教导,结合生产实践,在我厂的燃油卸油泵(泵的型号6DA—8×3)上革新成功了不用硬质乌金的机械密封,经过长时间的运行,证明密封效果良好,消除了填料箱的漏油问题,保证了卸油泵的安全运行。我们感到革新成的不用硬质乌金的机械密封,较之有硬质乌金的机械密封有如下优点:
Under the guidance of criticizing Lin Hailong and studying the theory of proletarian dictatorship, taking class struggle as the key link and following the guidance of Chairman Mao’s “independent and self-reliance” by our great leader, combining with our production practices, 6DA-8 × 3) The success of the reform without the hard black gold mechanical seal, after a long run to prove that the sealing effect is good, eliminating the problem of oil leakage of the stuffing box to ensure the safe operation of the unloading pump. We feel the innovation into a mechanical seal without hard black metal, compared with the mechanical seal has a hard black gold has the following advantages: