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发表于 2009-11-16 17:43:44
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butterfly valve with the diameter
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In this paper, a butterfly valve with the diameter of 1800 mm was studied. Three-dimensional numerical Butterfly Valve technique by using commercial code CFX were conducted 上海注册公司 可以代理登记注册上海公司, 网站建设 内资公司,外资公司等公司注册 |
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