vacuum和cacuum的区别

vacuum

英 [?v?kju?m] 美 [?v?kju?m]

I vacuumed the carpets today.

今天我用吸尘器清洁了地毯。

Wind is a current of air caused by a vacuum caused by hot air rising.

风是由于热空气上升产生真空导致的一种气流运动。

His presence should fill the power vacuum which has been developing over the pastfew days.

他的出现将填补过去这几天形成的权力真空。

We lived in a vacuum& no life, no news, no books.

我们生活在与世隔绝的环境里&没有其他生物，收不到外界消息，也没有书看。

n.真空; 空白; 空虚; 清洁v.用真空吸尘器清扫

Cacuum泵

On the Theory and Calculation for the Design of Water Ring Cacuum Pump

双作用水环泵的设计理论与计算