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 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.
试验结果表明较大的A、B量孔尺寸差值和高的共轨压力，可以获得较好的喷油器开启响应特性。
The test result shows that by using bigger dimension difference of control hole A and B and high common-rail pressure the better open response of injector can be achieved.
在引导孔内放置椎弓根螺钉(直径3.5 mm)，随即解剖并分离椎骨，此时就可以直观的观察到螺钉的轨线。
Pedicle screws (3.5 mm diameter) were placed in the pilot holes. The spines were then dissected to separate the vertebrae, and the trajectory of the screws was visually inspected.
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