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["[Fertigungs- und-Bereich-管道阀门技术交流版-TagDaily Puzzle-第第题]\n",,"Dieser Beitrag wurde zuletzt von 青涩年华 于 1 2 1 3 编辑 [Fertigungs-和-Bereich-管道阀门技术交流版-每日一题-第第题] 以减少流体在阀门中的流动阻力,球形阀的阀体内壁面应制成( )形。 参考答案:流线。"\n"Um den Flusswiderstand in den Ventil von Flüssig zu minimieren, sollte Innenseitenfläche des Kugell-Ventils sollte 形制成( 流线 )形。]

2019-02-11View Original

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本帖最后由 青涩年华 于 2019-2-11 09:34 编辑 【工艺工程大区-管道阀门技术交流版-每日一题-第02-10题】 为了减少流体在阀门中的流动阻力,球形阀的阀体内壁面应制成( )形。 参考答案:流线。
Reply #22019-02-11
为了减少流体在阀门中的流动阻力,球形阀的阀体内壁面应制成( 流线 )形。

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