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砂石洗选机是水利、水电、建材行业的砂石料生产中运用最多的机械设备之一,而螺旋叶片及其衬板是砂石洗洗机上重要的零件和易损件。目前大
Gravel washing machine is water and hydropower, building materials industry, sand and gravel production machinery used in the most one of the spiral blade and its lining is an important part of sand washing machine and wearing parts. Currently large