hand-roller 手拉镇压器
rubber hand roller 橡胶手推墨辊
hand held roller 手提式路碾
hand-operated roller covering machine 手动套皮辊机
hand guided vibratory roller 手扶式振动碾
hand operated vibrating roller 手扶振动碾
hand brake chain roller 手制动链滑轮
roller type hand hoe 滚筒式手锄
hand drawn roller 人工喂料辊
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