切向葉片間距 tangential blade spacing: 切向葉片間短blade spacing: 槳葉間隔; 葉片間距blade spacing ratio: 柵距-葉弦比blade-spacing diagram: 葉柵圖blade-spacing ratio: 葉柵相對間距下載手機(jī)詞典可隨時隨地查詞查翻譯