According to the vacuum feeding feature, the mathematical model for suction area of the Suction-Tape feeding Table and the analysis model of forcing on paper are set up.

利用真空输纸特性，建立输纸带透过面积的数学模型和纸张受力的分析模型。

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The sectional area of the suction pipeline is no less than pump flowing channel's.

吸入管路截面积必须大于或等于泵流道断面积。

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These all metal suction strainers are furnished with optimized pleat size and screen area for extended life and low pressure drop.

这些所有的金属吸油过滤器都配有优化折皱的大小和过滤面积为延长寿命和压力降。

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And, compared to the others, it had a much wider vacuuming area, which I liked, and the suction power of the Eletcrolux seemed superior, too.

FORBES: RoboVacuums