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真空钎焊
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真空钎焊
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钎焊
释
vacuum brazing
真空钎焊
将装配好钎料的焊件置于真空环境中加热所进行的硬钎焊。
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Jiangyong Xian
Jiang Yougao
Jiangyou Shi
Jiang You Si
Jiang Youxu
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Jiang Yun
Jiangyun Library
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Jiang Zejia
Jiang Zemin's Address on July 1st, 2001
Jiangzhai
Jiangzhai Site
Jiangzhai's Poetry Remarks
Jiang Zhaohe
Jiang Zhaoshen
Jiangzhe Branch Secretariat
Jiangzhou lobby
Jiangzhou Lunar new year woodblock prints on operatic motifs
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