self-cleaning contact

• 滑动接点,擦拭触点

self-cleaning contact的用法和样例：

例句

1. Non-allergenic wet baby wipes are best for cleaning their sensitive skin.
   最好使用防过敏的婴儿湿巾来擦拭婴儿的敏感皮肤。
2. For a leather surface, wipe it uni-directionally while cleaning to avoid repeated dhesion of dirt.
   对皮革表面，清洁时应单方向擦拭，以防污垢返粘。