搜索 - 科创

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液氮温区以下的低温，几乎完全依赖斯特林制冷机。这类机器价格极高、难以自制，又受二手货源的制约，很难普及。另一路线则是 GM 制冷机。MRI 拆机冷头货源充足、价格合理。

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约找到 5 条结果，耗时 0.172 秒

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