真空电子束焊接，特别是针对大厚度铸件的焊接，一直是成飞公司重点攻关项目，国内没有现成资料可循，这既是一项崭新课题，更是一次空前挑战。在这个项目引进前，有位年轻小伙已悄然开始组织人马潜心钻研，他全面策划，精 ... 成飞青年焊工：攻克歼10空中受油管焊接技术
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