| 2. | It is a self - priming centrifugal pump taking the advantages of simple structure , convenient operation , balanced running , easy maintenance , high efficiency , long service life , outstanding self - priming capacity 该泵属自吸式离心泵,它具有结构简单、操作方便、运行平衡、维护容易、效率高、寿命长,具有较强的自吸能力等优点。 |