polex肛上板polen.杆；柱；极点v.(用杆)支撑Pole.n.波兰人pole centre circle diameter极心圆直径pole-change motor starter马达变极启动器pole height viscosity index极高粘度指数pole-placement controller杆取代控制器poles of a network function[电] 网络函数的极点pole and pipeline management杆井管道管理pole pitch at the commutator换向葡的极距pole controlled electron gun杆控电子枪pole change type AC generator换极式交流发电机poleomorphic rhabdomyosarcoma多形性横纹肌肉瘤