FOUNDRY PRODUCTS. GENERAL TECHNICAL CONDITIONS FOR ORDERING AND SUPPLYING. PART 3: GRAVITY, LOW PRESSURE AND VACUUM CASTINGS OF ALUMINIUM ALLOYS AND MAGNESIUM ALLOYS.是什么意思_FOUNDRY PRODUCTS. GENERAL TECHNICAL CONDITIONS FOR ORDERING AND SUPPLYING. PART 3: GRAVITY, LOW PRESSURE AND VACUUM CASTINGS OF ALUMINIUM ALLOYS AND MAGNESIUM ALLOYS.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句