single stage pump 单级抽水机 ; 单级泵

Single-stage pump [机] 单级泵

single-stage centrifugal pump 单极离心泵 ; 单级离心泵

variable-speed single-stage centrifugal pump 单级变速离心泵

single stage pump coupling 单吸泵联轴器

single stage pump-turbine 单级可逆式水轮机

single-stage vortex pump 单级旋涡泵

single-stage diffusion pump 单级扩散泵

single e stage pump 单级泵 ; 单级式水泵