中文字幕人妻絲襪美腿亂_又色又爽又黄的三级视频_亚洲午夜福利网在线观看_国产麻豆无遮挡_午夜dy888理论不卡_女人潮喷视频一区久久_播放欧亚一级特黄录像_亚洲精品成人av片在线观看_国产欧美日韩高清一区_国产无码电影精品

High linearity, anti-DC component, in line with JB/T10665-2016, IEC61869-2-2012 Used to accurately transform AC current signals or half-wave rectified DC current signals into weak current signals; Used for electric energy meters meeting the requirements of GB/T17215.321 DC and even harmonics