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。
There are many kinds of nozzles, among which the needle-shape nozzle is widely used in practice.
喷嘴的型式很多，目前使用最广泛的是针型喷嘴。
Metal rifle body, soft seal between the top of the nozzle and the needle, ready for use.
金属枪体，使用方便，喷管顶端部位与顶针的密封采用软性材料密封，经济实用。
Metal rifle body, soft seal between the top of the nozzle and the needle, ready for use. Economical but last...
金属枪体，使用方便，喷管顶端部位与顶针的密封采用软性材料密封，经济实用。
Plastic rifle body, soft seal between the top of the nozzle and the needle, ready for use. Economical but last...
塑料枪体，喷管顶端部位与顶针的密封采用软性材料密封，经济实用。
Needle Cap, Nozzle Cap, Stainless Steel Nozzle Assembly.
针盖，喷嘴盖，不锈钢喷嘴组合。
Needle Cap, Nozzle Cap, Stainless Steel Nozzle Assembly.
针盖，喷嘴盖，不锈钢喷嘴组合。
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