He bought a suction pump.

他买了一个抽吸泵。

The suction of the vacuum cleaner is very powerful.

这台吸尘器的吸力很强。

The doctor suctioned pus from his body.

医生从他的身体里吸出了脓液。

Michael was showing the nurse how to suction his saliva.

迈可正演示给护士看如何吸出他的唾液。

Dust bags act as a filter and suction will be reduced if they are too full.

灰尘袋是一个过滤器，一旦太满吸力就会减弱。

Vacuum cleaners work by suction.

真空吸尘器靠抽吸除尘。

A suction pile is open at one end.

吸力桩一端敞开。

Some pumps works by suction.

有些泵是用吸力就业的。