... the fluturation is decrease ,hence ,the balance effect is improved ,2.pumping unitThis series has the merit as following : simple structure ... -64-30302.80.759,143.24.5CYJ3-1.2-2.8HY25-64-48302.81.26,9,124.05.2CYJ3- ... 7250131.86,9,12117.0CYJ10-3-37HY320-213-120100373.0,2.5,2.16,9,123018.0CYJ12-4.8-73HF640-256-192120734 ... .8,4.2,3.65,7,94529.0CYJ14-4.8-73HF640-305- ...