And centrifugal pumps compared with single-screw pump do not need to install the valve, while the linear flow of traffic is stable.
和离心泵相比，单螺杆泵不需要装阀门，而流量是稳定的线性流动。
Compared with the centrifugal pump without a single screw valve, the flow is stable linear flow.
与离心泵相比单螺杆泵无需安装阀门，流量是稳定的线性流动。
This article briefs the process design of the replacement of centrifugal pump's underwater bottom valve by self-absorption cylinder so as to solve the aerial binding phenomenon with centrifugal pumps.
本文简述了利用自吸筒来替代离心泵水下底阀，以解决离心泵气缚现象的工艺设计。
Sanitary pump is single stage, single suction, full closed stainless steel centrifugal pump or pneumatic diaphragm valve.
进口卫生泵的型为单级、单吸、全封闭不锈钢离心泵或者气动隔膜阀。
Screw pump has the following advantages: 1. Compared with screw pump and centrifugal pump doesn't need to install the valve flow is stable linear flow;
和离心泵相比螺杆泵无需安装阀们流量是稳定的线性流动；
The permanent mould centrifugal casting process used for production of valve seat for internal combustion engine and the material of casting was described.
叙述金属型离心铸造内燃机气门座的工艺方法和材料特点。
So the centrifugal casting high Cr cast iron can meet the use requirements of the engine valve seat.
离心铸造高铬铸铁气门座圈能满足大功率内燃机的使用要求。
So the centrifugal casting high Cr cast iron can meet the use requirements of the engine valve seat.
离心铸造高铬铸铁气门座圈能满足大功率内燃机的使用要求。
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