此钢砂主要用于压缩空气设备。
小型、低成本压缩空气设备要求低成本的分离方案。
Small or low cost compressed air systems require low cost separation solutions.
Seitz说，这样的“微气泡”实事上就是“由气体组成的镜子”，用一些设备将增压的水和压缩空气混合放入涡流的喷气机中，在船外产生这些气泡。
Such "microbubbles" are essentially "mirrors made of air," says Seitz, and they might be created off boats by using devices that mix water supercharged with compressed air into swirling jets of water.
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