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... effect. Furthermore, aluminum oxide ceramic (alumina) is a very cost-effective material, so alumina ceramic sealing discs have been widely used. With comparison with traditional seal disc, it can work smoot...
... oil cyclic drying. It is dedicated to 110KV ~ 1100KV transfomer oil, high-grade, imported new oil deep purification. In comparison with single-stage vacuum oil purifier, this machine has one Roots pump boos...