It removes heat from the air outside or the ground below and uses it to supply heat to a building or its water supply.

它从外面的空气或下方的地面收集热量，并用此来供应建筑物或其供水所需的热量。

youdao

Air terminals buildings adopt air supply tower, floor exhaust grillage and smoke exhausting skylight controlled by infrared detector.

候机楼采用了地面送风亭射流送风方式、地面排风方式及红外线对射探测器控制的排烟天窗。

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Microsoft, which once spoke of "cutting off the air supply" of a web-based rival, Netscape, has woken up to find a new threat reaching for its throat.

微软，以前曾对一个基于网络技术的对手Netscape说过“切断空气供应”，已经醒来并发现新的威胁抵在喉咙。

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Local police officials say the two soldiers were swept away Wednesday while trying to save supply boxes that fell into the water after being air-dropped.

VOA: standard.2009.11.07

As a benign example of how transatlantic teams can stimulate competition in high-tech weapons making, defence analysts cite the fierce competition to supply Britain with an air-to-ground surveillance system.

ECONOMIST: Platform envy

If, for instance, they really do close down Incirlik Air Force Base, we're going to be logistically blind in the north, and it would be extremely difficult for us to re-supply and to coordinate air strikes.

NPR: Turkey Rattles Sabers at Kurdish Iraq

After all, this outcome was made virtually inevitable by the Europeans' unwillingness over the past week to implement or enforce what the United States hoped would be the three basic pillars of allied action -- the lifting of the arms embargo against Bosnian Muslims, air strikes and a total shut-down of the Danube and other essential supply lines for the Serbian war machine and economy.

CENTERFORSECURITYPOLICY: The Moment Of Truth: The US Must Stop Serbian Aggression Now