最終更新日:2024/07/30
Shell moulding is a casting process that uses a shell made of resin-coated sand.
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Shell moulding is a casting process that uses a shell made of resin-coated sand.
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Shell moulding is a casting process that uses a shell made of resin-coated sand.
Shell moulding is a casting process that uses a shell made of resin-coated sand.