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一、湿度误差 目前,在加强企业管理、节约能源过程中,使用煤气的地方纷纷安装了各种型式的煤气流量计。其中孔板流量计占多数。温
First, the humidity error At present, in strengthening enterprise management, energy conservation process, the use of gas have installed a variety of types of gas meters. Which orifice flowmeter accounted for the majority. temperature