短语词组短语hammer -mill grate 锤碎机固定筛swing -hammer mill 摆锤式磨机horizontal -hammer mill 卧式锤碎机flat -hammer grinding mill 锤片式粉碎机twin -rotor hammer mill 双转子锤式磨机air -swept hammer mill 风扫锤式破碎机non -reversible hammer mill 非逆转锤式破碎机 返回 hammer-mill