The affinity law of impeller trim for the centrifugal oil pump 65y60 is gained when pumping viscous oil.
得到了输送粘油时65y60型离心油泵的叶轮切割规律。
The pump is characterized by: 1. changing the mode of oil suction, i. e. making the plunger immersed in the viscous oil;
其抽油特点是：1．改变了普通泵的进油方式，将稠油吸入泵腔变为柱塞浸入稠油；
The penalty finite element equation for ternary viscous incompressible permanent flow inside the guide shell of an oil transmission pump is established by using the penalty finite element method.
运用罚有限元方法，对油泵导壳内部三元粘性不可压缩定常流动建立了罚有限元方程。
The penalty finite element equation for ternary viscous incompressible permanent flow inside the guide shell of an oil transmission pump is established by using the penalty finite element method.
运用罚有限元方法，对油泵导壳内部三元粘性不可压缩定常流动建立了罚有限元方程。
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