Tsev>Cov khoom lag luam
Hom DG twj tso kua mis yog ib hom ntawm ib leeg-suction, segmental, thiab multistage centrifugal twj tso kua mis. Nws
Pump Control Vaj Huam Sib Luag yog cov qib kev lag luam thiab kev tswj hwm hauv nroog tsim los ua kom tau raws li peb
