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The melt-spinning technology does not change the crystal structure of the alloy.
快淬工艺不改变合金的晶体结构；
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Quality control technology of modern spinning production was introduced.
介绍了现代纺纱生产的质量控制技术。
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Quality control technology of modern spinning production was introduced.
介绍了现代纺纱生产的质量控制技术。
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