single-roll crusher 单辊破碎机

     single-roll hammer crusher 单辊击打式破碎机

     single-roller mill 单辊轧粉机 

     single-rotor helicopter 单桨直升飞机

     single-rotor impact crusher 单转子反击式破碎机

     single-rotor mixer 单转轴拌和机

     single-rotor turbine 单转子涡轮机

     single-row ball bearing 单列滚珠轴承

     single-row centripetal ball bearing 单列向心滚珠轴承

     single-row centripetal bearing 单列向心轴承

     single-row disc-harrow 单列圆盘耙

     single-row radial ball bearing 单列向心滚珠轴承

     single-row radial engine 单排星形发动机

     single-row radial thrust ball bearing 单列向心推力球轴承

     single-row roller bearing 单列滚柱轴承

     single-scoop loading machine 单斗装载机

     single-scoop shovel 单斗挖土机