They can be cylinder shaped container or a manual hand pump.

它们可能是柱状的容器，或者手动泵。

youdao

Our patented hand pump makes it easy to increase or decrease traction force.

我们的专利手压泵很容易增加或减少牵引力。

youdao

The system consists of two (2) separate "bottle" jack cylinder with integrated manual hand pump.

包括2套瓶式千斤顶并附带手动油泵。

youdao

The Henry Milker is a hand-operated vacuum pump.

VOA: special.2010.07.20

They told me that they were not allowed to use the hand pump to get water as it belonged to upper caste people.

BBC: Flood victims face caste discrimination

Diageo found creative ways to trim the price, by using local barley and sorghum, by putting the beer in big kegs rather than costly bottles and by inventing a cheap hand-pump to serve it.

ECONOMIST: Schumpeter

The string of measures was a strange mixture of well-meaning steps at social reform, half-baked schemes for quasi-socialist industrial planning, regulation to protect consumers, welfare programs to help the hardest hit, government support for the cartelization of industry, higher wages for some, lower wages for others, on the one hand government pump priming, on the other public economy.

FORBES: Kaiser's Postulate: Bringing Free Market Economics to South America