... 模具定位圈直径（mold location recess diameters） 喷嘴圆球半径（nozzle radius） 意大利lafagomma ...
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shower nozzle radius 喷头保护半径
nozzle throat radius 喷管喉径
ng-radius nozzle 长径喷嘴
long-radius nozzle 长径喷嘴
Based on this image, I am going to estimate each nozzle to have a radius of about 0.6 meters (although I think that estimate is a bit large).
根据这张图，我估计每个喷嘴的半径约0.6公尺(虽然我认为估计值稍微大了点)。
The numerical calculation results show that the gas velocities increase with the reduction of curvature and the length of laval nozzle decreases with the increase of the radius of curvature.
数值计算表明，气体速度随入口段曲率半径的增大而增大，拉伐尔喷嘴和长度则随曲率半径的增大而减小。
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