中文谷bottom pouring造句怎麼寫
- 造句
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In bottom pouring, the molten steel is poured into a central trumpet, from where it flows through runners to the bottom of a number of ingot moulds. The steel rises slowly in the moulds without turbulence.
In bottom pouring, the molten steel is poured into a central trumpet, from where it flows through runners to the bottom of a number of ingot moulds.
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