The constant air flow through the filter means that the filter does not last as long.
空气不断流过过滤器，意味着过滤器寿命有限。
A constant flow of air keeps the plants bathed in carbon dioxide.
室内空气保持不停流动，确保作物随时“沐浴”在二氧化碳之中。
The above two kinds of devices can be in a dryer the flow of compressed air cooling to constant temperature and avoid a cold and led to excessive condensing liquid produce.
上述两种装置都可以将干燥器中一定流量的压缩空气冷却至恒定的温度，避免过冷而导致过多的冷凝液体产生。
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