短語詞組短語swirl -nozzle type injector 旋流噴嘴型噴射器pre -swirl nozzle 預(yù)旋噴嘴pressure -swirl nozzle 壓力旋轉(zhuǎn)噴嘴Non -swirl nozzle 無旋流噴嘴 返回 swirl-nozzle