说明：  一种实用的无触点式 以下交流异步电动机节能器, 其线路简单, 性能稳定, 工作可靠, 用于普通车床可取得较好的节电效
(A practical non-contact ac induction motor Energy Saver line is simple, the performance is stable and reliable work for ordinary lathe can achieve better power saving efficiency)