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gain vigor

gain vigorgain vigor
  1. I chose this subject is to help Heilongjiang province strive out of the difficulty and gain vigor , to solve the problem of resource exhausting and successive industry development .

    为使黑龙江老工业基地走出当前的困境,重新焕发活力,解决资源枯竭和接续产业的发展问题,论文选此为题。