... noise ,easy to maintain and operate ,2).The beam adopts box or L-steel struture ,which endows ... high strength,rigid,large carrying capacity .3).The reducer adopts lambdoidal involute circular ... decrease ,hence ,the balance effect is improved ,2.pumping unitThis series has the merit as following ... 12117.0CYJ10-3-37HY320-213-120100373.0,2.5,2.16,9,123018.0CYJ12-4.8- ...