backward spring 中文意思是什麼
backward spring
解釋
反向彈簧-
Based on the coupled model of water quality and water quality, this paper estimated the pollution condition for the water soure area, and move backward situation of handan spring
摘要採用水質水量耦合模型,對水源地的污染狀況進行評價,提出不同開采條件下黑龍洞泉口的污水倒灌情況。
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