铸造是现代机械制造工业的基础工艺之一。
The casting is one of modern machine manufacture industry foundation crafts.
配重铁是现代机械制造工业的基础工艺之一。
The counterweight iron is one of modern machine manufacture industry foundation crafts.
铸造是现代机械制造工业的基础工艺之一。
The foundations of machinery manufacturing technology "is the main subject for mechanical engineering students."
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