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一、孔板-差压式流量计的使用前景近年来,发展和生产了多种多样的流量计,但是,孔板-差压式流量计(下称孔板流量计)的使用量仍居于首位。据美国罗斯蒙特(Rosemount)公司的专家约翰·特勒(John·Turner)预计,在今后一个相
First, the orifice - the use of differential pressure flowmeter In recent years, the development and production of a variety of flowmeter, however, orifice - differential pressure flow meter (hereinafter referred to as orifice flow meter) usage still living first place. According to John Turner, an expert at Rosemount Inc. in the United States,