伊人久久婷婷色综合98网_亚洲中文字幕一级二级三级_天天综合久久精品一区二区三区_少妇高潮流白浆在线播放_亚洲成人午夜精品xxxx_男女互操软件_国产在视频线精品视频_同性村长壮汉男男肉交网站_出差我和公高潮我和公乱小说_国产精品福利免费

It can effective absorb the high voltage and over-current generated by the surge and maintain the normal voltage and current to supply for the electronic equipment, and reduce the harm resulting from surges and extend the service life, due to the surge is a sporadic phenomenon, and it can flow through the power cord, in order to guard against the damage of surge, it is necessary to install surge suppressors for the electronic equipment. (PS: Many products have been designed surge suppression circuit)