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FZB series of self - suction centrifugal pumps, its overflow part is made of Fluor plastic alloy.
FZB系列自吸离心泵, 过流部件均采用氟塑料合金制造.
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When the hardness of plastic alloy underlayer increases, the coefficient of friction has increasing current.
塑料合金层硬度增大, 摩擦系数有增大的趋势.
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