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针对国产泵车搅拌轴端装置中两道O型密封件易被砂浆磨损问题 ,文中介绍了改用防尘圈、导向带等替代件的具体作法
Aiming at the problems that the two O-rings in the shaft end of the domestic pump stirring agitator are easy to wear by mortar, this paper introduces the concrete practice of using alternative parts such as dust-proof ring and guide belt instead