push-pull

详细解释:n. 推挽式的连接

详细解释：

push-pull

adj.（形容词）
Of or relating to an arrangement of two identical electronic devices that that are set in opposite phase in order to minimize distortion.
推挽式的，推拉式的：属于将两个相同电子装置放置成相反相位以减少失真的一种配置，或与其相关的