N个扁喷管并联,用于适应高度(大气压强)变化
也可以用来适应燃烧压强变化
其他类型,就Stepped nozzle好做点
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也可以用来适应燃烧压强变化
其他类型,就Stepped nozzle好做点
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX