没有行星或恒星银河可以是典型的因为宇宙的大部分是空 outlet size » 出口尺寸 New beginning, very fortunate: his family very well adapted here » 新的开端,很幸运:他的家庭非常良好的适应这里 ..
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实践证明，采场放出口矿岩散体速度分布和放出口尺寸对放矿结果有显著影响。
The practice shows that the flow velocity of bulk ore rock at the stope drawpoint and the dimensions of drawpoint have remarkable influence on the drawing effect.
否则，你也可以使用一个较大的口模开口，以减少口模出口应力，然后把挤出物拉细到所需要的尺寸。
Or you can use a larger die opening to reduce die-exit stress, and then draw the extrudate down to the desired size.
材料选择、倒出口结构设计、盒型尺寸设计是汾州香小米包装的重点与难点。
Material selection, export structure design, and box size design are the key issues and difficulties of Fenzhouxiang millet packaging.
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