出國留學學這方麵的卻少之又少。近來材料上有不少突破,或許近期會有突破吧
這個精密加工到現在還是被禁運的呢
所有跟帖:
• 材料和精加工,真的是沒有辦法 -健康中醫- ♂ (255 bytes) () 09/14/2011 postreply 21:19:18
• 幸好沒做航天飛機,沒有capsule經濟核算 -sts135- ♀ (0 bytes) () 09/15/2011 postreply 06:58:55
• 材料和精加工,真的是沒有辦法 -健康中醫- ♂ (255 bytes) () 09/14/2011 postreply 21:19:18
• 幸好沒做航天飛機,沒有capsule經濟核算 -sts135- ♀ (0 bytes) () 09/15/2011 postreply 06:58:55
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