The coating sand for cast iron and cast steel and collapsible coating sand for nonferrous alloy casting are also described.
论述了普通铸钢、铸铁件用的覆膜砂、非铁合金铸件用的易溃散覆膜特种性能覆膜砂。
The coating sand for cast iron and cast steel and collapsible coating sand for nonferrous alloy casting are also described.
论述了普通铸钢、铸铁件用的覆膜砂、非铁合金铸件用的易溃散覆膜特种性能覆膜砂。
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