短語詞組短語Nozzle ring throat mouth 噴嘴環(huán)喉口nozzle e throat 噴嘴喉部Nozzle Throat Aspect Ratio 喉部寬高比nozzle throat liner 噴管喉襯curved nozzle throat 曲線噴管喉道the nozzle throat 噴管喉部nozzle throat radius 噴管喉徑supersonic nozzle throat 超音速噴嘴喉部area of nozzle throat 噴嘴喉部面積 返回 nozzle throat