欧美日韩一区蜜臀在线播放_一区二区三区无码优质国产熟睡乱子伦_免费A级毛片无码_成人无码久久精品_特级婬片女子免费高清视频_免费va人成视频网站全部内容_国产精品爱啪在线下载_久久这里只有精品2012_亚洲成a人片在线观看你懂的_欧美一区二区水蜜桃

The contact resistance is minimized under high current, and the wiping action generated during the disconnection process can clean the surface of the contact.

Determine the recommended voltage according to industry standards based on color, and avoid inserting two rubber shells with different voltage coding colors (eliminating the possibility of power and socket misconnection).

Interchangeable design without male or female casing, which helps reduce inventory.

Greatly reduces the potential risks of circuits in daily life, in accordance with the IEC60950 standard.