met. | 离心铸造法 | centrifugal casting process (The centrifugal casting process yields a product having a dense, uniform outer surface; consequently a drain pipe or cylinder liner cast by this method is considered superior to similar ones cast in sand moulds. 采用离心铸造法生产的产品表面致密而均匀。因而,该法生产的排水管或汽缸套质量优于砂型铸造的同类产品。) |