保本微利和阶梯式水价机制研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1003-9511|34|6|65-67

ISSN: 1003-9511

Source: 水利经济, Vol.34, Iss.6, 2016-01, pp. : 65-67

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Abstract