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共轨油嘴 ‌是 柴油发动机 燃油供给系统中的一个关键部件，主要负责将燃油喷入发动机的燃烧室。共轨油嘴是 共轨系统 的核心组成部分，该系统通过高压油泵将燃油输送到共轨中，然后由油嘴精确控制喷油量、喷油压力和喷油时机，以确保发动机的高效运行和减少排放‌。

2. Figure 19-24 illustrates the sucking action that occurs at the delivery valve piston portion which controls the residual pressure in the injection line so as to effectively improve the injected spray pattern of the fuel without fuel dribble and possible secondary injection. The sucking action that does occur at the delivery valve therefore effectively reduces the fuel pressure in the injection tube at the end of injection.

GS 5NY3004 83 22 69中路通主营产品有VE泵及相关配件（如：泵头，输油泵，传动轴，电磁阀等)，油嘴（有DN，DNP，S，SN，P，PN等型号)，柱塞（有A，AD，P，PS7100，P8500等型号)，出油阀，适配洋马X.7、X.6、X.5、X.4泵头，卡特控制阀，德尔福控制阀等。

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