air pump 气泵, 抽气机
- Even with the air pumped out the bulb, the tungsten filament slowly vaporizes.
即使灯泡中的空气被抽出,钨丝也会慢慢地蒸发。 - But don't we have a portable air pump?
但是我们不是有个手提的空气帮浦吗? - A German glassblower and instrument maker Geissler by name, built in1954, an air pump.
有位德国吹玻璃工兼仪器制造工,名叫盖斯勒,他在1954年造了一台空气泵。
air pump[ noun ]
a pump that moves air in or out of something
<noun.artifact>
Air pump \Air" pump`\
1. (Physics) A kind of pump for exhausting air from a vessel
or closed space; also, a pump to condense air or force it
into a closed space.
2. (Steam Engines) A pump used to exhaust from a condenser
the condensed steam, the water used for condensing, and
any commingled air.