Rotorod转棒取样器(检验空气微生物用)rotorn.旋转体；[机]转子；水平旋翼rotor of vertical motor立式电机转子rotor system's dynamicsRotor speed measurement转子速度测量rotor rotation detector转子转速传感器(探测器)rotor position estimate转子位置估计rotor axle center trail转子轴心轨迹rotor dynamics analysis转子动力学分析rotor-vibrated screen转子振动筛rotor-position signal转子位置信号rotor-position sensor转子位置传感器