The proven variable - area piston metering assembly provides accurate, dependable flow rate indication.
经过验证的可变区活塞计量大会提供准确, 可靠的流量指标.
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Use the variable area piston metering method to measure flow rate.
使用可变区活塞计量方法来测量流量.
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In small discharge measure, variable area flowmeter to rise count for much function.
在微小流量测量中, 浮子流量计起着非常重要的作用.
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