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单词
electron-beam welding
释义
electron-beam welding
electron-beam welding
[
i′lek‚trän ‚bēm ′weld·iŋ
]
(metallurgy)
A technique for joining materials in which highly collimated electron beams are used at a pressure below 10
-3
mmHg (0.1333 pascal) to produce a highly concentrated heat source; used in outer space.
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更新时间:2025/1/31 9:47:55