短语词组短語vane -wheel type water meter [儀]葉輪式水表;翼輪式水表vane of wheel 葉輪葉片auxiliary vane wheel 副葉輪multi -vane wheel 多葉輪guide vane wheel 導曏葉輪penultimate vane wheel 次末級葉輪rotary vane wheel 葉輪給煤機 返回 vane wheel