Rollan罗兰rolln.卷；滚动；名单；压路机；颤音；圆形物，面包卷v.摇摆；滚；绕；转动；展开Roll Pass and the Wear轧辊的孔型与磨损rolling plant building轧钢车间厂房rolling code technique滚动码技术roll-on finger-tip脉率仪用卷式手指光(电)传感器rolling rhythm control轧制节奏控制roll opening indicator辊缝指示器roll up horse and foot击溃敌人,使敌人全面溃败roll tube cell culture转管细胞培养roll-bending forming滚弯成形roll extrusion forming辊挤成型