... needle-regulating nozzle 针形调节喷嘴 nozzle needle 喷嘴针阀 ; 喷嘴针 nozzle needle valve 喷油嘴针阀 ...
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文中利用该装置研究了轴针式喷嘴的喷油过程，探讨了喷嘴油束形成的特征。
The apparatus has been used in investigating the spray formation of a pintle nozzle.
喷嘴的型式很多，目前使用最广泛的是针型喷嘴。
There are many kinds of nozzles, among which the needle-shape nozzle is widely used in practice.
可见流体在针阀与喷嘴出口间隙大的时候其内部旋流强度大。
Fluid can produce strongest internal swirl when the needle is far from the nozzle exit.
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