... Four Utility Model Patent 四实用新型专利 worth utility model 成份效用值模式 discounted utility model 贴现效用模型 ...
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The utility model is a high-efficiency and energy-saving electromechanical product with simple structure and convenient use, which is worth promoting.
本实用新型结构简单，使用方便，是一种高效、节能的机电产品，值得推广。
The utility model is proper in configuration, smart in conceive, convenient to dispose pollutants and clean due to the inclined cooling water plate under the tower body and worth applying.
本实用新型结构合理，构思巧妙，由于设于塔体下方的冷水盘采用倾斜设计，故便于排污、清洗，极具推广价值。
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