It is a new type of orifice flowmeter which has practical value.

高速流的压头损失较小,是具有一定实用价值的新型孔板流量计.

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Comparing with orifice flowmeter , it features simple structure, ease installation and maintenance asas wide range.

与孔板流量计相比, 具有结构简单, 安装、护方便,测量范围宽等特点.

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Comprehensively analyzed are the main factors that affect the measuring accuracy of the orifice flowmeter.

目前,孔板流量计仍是最主要的天然气流量计.

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