Based on the theory analysis above-mentioned, according to the given parameters, we designed the three dementions figure of the tri-eccentric butterfly valve.
基于上述的理论分析，由已知参数设计出了三偏心蝶阀的三维图形。
Based on the theory analysis above-mentioned, according to the given parameters, we designed the three dementions figure of the tri-eccentric butterfly valve.
基于上述的理论分析，由已知参数设计出了三偏心蝶阀的三维图形。
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