...球墨铸铁；共聚料；小件串浇；球化率 [gap=1630]Key words: lost foam casting; ductile iron; STMMA; String pouring process; rate of spheroidizing ...
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The perfect hammer head can be obtained by designing technological equipment, using vertical pouring and string casting process in CO2-sodium silicate sand.
采用CO2硬化水玻璃砂无箱立浇串铸工艺，设计工装，可以获得优质健全的锤头产品。
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