[機] 后彎式葉片 backward-curved blade fan: 后向曲葉式風機backward-curved-blade fan: 后彎葉片風機; 后向曲葉式風機backward curved blade: 后彎曲葉片backward-curved blade: 后彎形葉片backward inclined fan blade: 后彎式風機葉片下載手機詞典可隨時隨地查詞查翻譯