Suitable for use in vacuum or pressure pneumatic conveying systems.
用于真空或压力气动式输送系统。
At present, however, large amounts of fly ash produced by coal-fired power stations have to be disposed of by long distance, pneumatic conveying systems.
然而，目前燃煤的火力发电厂产生的大量粉煤灰需采用长距离气力输送装置来清除。
At present, however, large amounts of fly ash produced by coal-fired power stations have to be disposed of by long distance, pneumatic conveying systems.
然而，目前燃煤的火力发电厂产生的大量粉煤灰需采用长距离气力输送装置来清除。
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