| 摘要 |
A nozzle tube has a centroidal axis extending therethrough from a first end to a second end of the tube. A bore also extends from the first end to the second end. The bore has a first constant diameter portion extending from the first end toward the second and a second variable diameter portion adjacent the second end. The first portion has a centroidal axis skewed from the centroidal axis of the tube. A retainer retains an orifice in the second portion. The retainer has a variable diameter for mating engagement with the variable diameter of the second portion. The retainer has a centroidal axis which intersects the centroidal axis of the tube at a first angle and intersects the centroidal axis of the bore at a second angle, greater than the first angle.
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