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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The community structure of arthropods both in heterogenous and in monotogenous habitat in two-crop paddy field area was studied with the suction sampler.

用吸虫器采样法，对双季稻区中处于多样化生境及单一生境中的两类稻田中的节肢动物群落结构特征进行了比较研究。

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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