电磁加药泵，带手动调节数字显示。
Electromagnetic dosing pump with MANUAL regulation with digital display.
电磁，加药泵，带手动调节分压计(电位计)。
Electromagnetic dosing pump with MANUAL regulation by means of a potentiometer.
给水净化站设备：进水泵、扭转滤网、刮泥机、加药泵、加氯装置等。
Equipment of water supply and purification station: intake pump, rotary filtering net, mud scraper, chemical feeding pump and chlorine feeding device, etc.
浮选；自动加药机；电磁阀式加药机；计量泵式加药机；原理；结构；
Flotation; automatic reagent feeder; solenoid valve reagent feeder; metering pump reagent feeder; principle; configuration;
浮选；自动加药机；电磁阀式加药机；计量泵式加药机；原理；结构；
Flotation; automatic reagent feeder; solenoid valve reagent feeder; metering pump reagent feeder; principle; configuration;
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