polex肛上板polen.杆；柱；极点v.(用杆)支撑Pole.n.波兰人pole - system model杆系计算模型pole-mounted switch柱上开关控制pole-shell structure柱壳结构pole to wer foundation杆塔基础pole-zero assignment极点-零点配置pole normal assignment极点正规配置pole check computation杆件验算pole extension fixture电杆接高支架pole-board oxidation极板氧化pole-zero cancelling零极点抵消