字首 Ｂ
單字 bellcrank
音標與例句
    音標 [ bɛlˈkræŋk ]
    Visually examine the bellcrank (6) of the throttle control lever.
    目視檢查油門桿的曲柄(項目6)。
    Disengage the rods (4) and (5) from the bellcrank (14) and store them.
字義 n.[C]曲柄
圖說 bellcrank bellcrank
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