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molecular vacuum pump
释义
molecular vacuum pump
网络
分子真空帮浦
网络释义
1.
分子真空帮浦
...nt lamp） 1913 盖得（Gaede）发明
分子真空帮浦
（
molecular vacuum pump
） 1915 柯里基（Coolidge）发明 X 光管（X-ra…
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更新时间：2025/8/15 6:50:16