基本解释n.极靴(磁极片)同根派生 英汉例句Also because of closely spaced polepiece and the associated capability of focusing low-voltage beams, folded waveguide circuit is well suited for light weight applications. 由于紧凑的整体极靴，能对低电压电子注聚焦，因而很适合要求轻重量的场合。