Lampshade material:5MM toughened glass surface, bottom outlet.

面罩材质：5mm钢化玻璃面板，底部出线。

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The slip velocities occur both in the vertical and horizontal directions in the influenced zone by the bottom outlet.

在孔口影响域内，水沙两相不仅在垂向上有速度滑移，而且在水平方向上也有相对运动。

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Usually a pipe, known as a dip leg, is connected to this bottom outlet and, in catalytic cracking, serves to convey the solids back to the catalyst bed.

一般有一个通称为料腿的管子与此底部出口相连，在催化裂化中用此料腿将固体送回到催化剂床层。

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Professor Coleman said the use of slang "emerges when people are put in a position where they are bottom of a hierarchy" but have a strong sense of group identity - using it as an "outlet of aggression".

BBC: Slang through the ages