单语范例（未经PONS编辑处理）
For engines equipped with a single-stage supercharger the air being forced through the supercharger air intake was compressed by the supercharger's impeller.
en.wikipedia.org When entering a centrifugal pump, a low pressure forms at the eye of the impeller.
en.wikipedia.org The pump impeller is driven by a long, vertical extension shaft and the impeller is in a scroll housing in the base of the pump.
en.wikipedia.org The 2.5 5 cylinder models where blighted with problematic water pumps which were later redesigned as the original plastic impellers fell to bits.
en.wikipedia.org The gas is trapped in the compression chambers formed by the impeller vanes and the liquid ring.
en.wikipedia.org