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

Metal Oxide Varistor, it is a protection device in the power input terminal, when the electrical equipment plug the wrong power or the power surge is too large, that will cause it damaged, while install the metal oxide varistor have two purposes: Firstly, protect the electronic module from the damage produced by high voltage; Secondly, reduce the maintenance costs of electrical equipment.