低磨损的活塞结构，容量大而低耗气量。
Low wear of the piston structure, large capacity and low air consumption.
因此，该阀具有磨损小、噪音低、使用寿命长的优点。
So the valve has the advantages of less abrasion, low noise and long service life.
处理量大、磨损低、运行成本低是其显著的特点。
Handling capacity of large, low wear, low running costs are of its significant characteristics.
处理量大、磨损低、运行成本低是其显著的特点。
Handling capacity of large, low wear, low running costs are of its significant characteristics.
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