短語詞組短語timing bellcrank 正時曲拐timing position sensor bellcrank 正時位置傳感器曲拐engine throttle bellcrank 發(fā)動機節(jié)氣門操縱臂BEL CRK Bellcrank 搖臂lower engine bellcrank 發(fā)動機的下?lián)u臂upper engine bellcrank 發(fā)動機的上搖臂hoist control bellcrank 起重控制搖桿governor linkage bellcrank 調(diào)速器拉桿曲柄longitudinal control bellcrank 縱向操縱搖臂 返回 bellcrank