With pump feed and continuous mill, it also applies to small lot manufacture.

泵浦输送，连续式研磨，所以也可以进行小批量生产。

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Tubes within each device pump air bubbles through to support the autotrophs.This also circulates the sewage to feed the bacteria.

设备内的水管使气泡穿过设备，为自养生物提供养分，同时使污水循环，为细菌提供养分。

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Tubes within each device pump air bubbles through to support the autotrophs. This also circulates the sewage to feed the bacteria.

设备内的水管使气泡穿过设备，为自养生物提供养分，同时使污水循环，为细菌提供养分。

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The power is used to pump water up into the reservoirs that feed the hydroelectric turbines.

ECONOMIST: Power transmission

All over the world, telecoms and cable companies are fighting to provide people's houses with a broadband pipe that can pump in a high-speed Internet feed and the whole digital future.

ECONOMIST: Communications in Britain

The crew will track the adventurer using the latest GPS equipment and feed him air from an onboard pump.

BBC: NEWS | UK | Scotland | Monster underwater marathon bid