电磁阀一般流通系数很小，而且工作压力差很小。
Solenoid valve flow coefficient generally small, and the work of a very small pressure difference.
比如一般25口径的电磁阀门流通系数比15口径的电动球阀小很多。
For example, the general diameter of the solenoid valve 25, the flow coefficient of the electric 15-caliber ball valve is much smaller.
研究结果表明，在任意可变斜轴涡流控制阀轴线与曲轴轴线夹角情况下，流通系数和无因次斜轴涡流比随着阀片开度的增大而逐渐减小。
The results show that at any Angle between axes of inclined swirl control valve and crank shift, flow coefficient and inclined swirl ratio increase gradually with increase of valve opening.
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