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Electromagnetic dosing pump with MANUAL regulation with digital display.
电磁加药泵，带手动调节数字显示。
youdao
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Electromagnetic dosing pump with MANUAL regulation by means of a potentiometer.
电磁，加药泵，带手动调节分压计(电位计)。
youdao
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Electromagnetic dosing pump with MANUAL regulation by means of a potentiometer.
电磁，加药泵，带手动调节分压计(电位计)。
youdao