短语词组短语vane -wheel type water meter [仪]叶轮式水表;翼轮式水表vane of wheel 叶轮叶片auxiliary vane wheel 副叶轮multi -vane wheel 多叶轮guide vane wheel 导向叶轮penultimate vane wheel 次末级叶轮rotary vane wheel 叶轮给煤机 返回 vane wheel