deflecting needle nozzle 偏流针形喷嘴
nozzle needle 喷嘴针阀 ; 喷嘴针 ; 针形管嘴
nozzle needle valve 喷油嘴针阀
nozzle with needle 带有针阀的喷嘴
nozzle needle valve body 喷油嘴针阀体
nozzle needle stem 喷嘴针阀杆
needle-valve nozzle 针阀式喷嘴
Nozzle deflecting needle 偏向针形管嘴
The results show that, as important components of electronic injector used in common rail system, orifices affect on the open rate of nozzle needle and injection rate shapes.
结果表明：节流孔板是电控共轨喷油器的重要构成部分，既控制着唢油嘴针阀的开启速度，义控制着喷油率的形状。
The needle valve can be closed through the rotation of a needle stem, and the oil cleaning device can also be driven to lift to clean out carbon deposit in the nozzle.
通过针阀杆的旋转即可以关闭针阀 又可以带动清油器升降，清除喷嘴中的积碳。
Fluid can produce strongest internal swirl when the needle is far from the nozzle exit.
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。
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