Fercon
abbr. ferrule-contact 套圈接触，套圈触点
🗣️ 情景例句
So far so good.
到目前为止一切都好。
He who wants a mule without fault,must walk on foot.
指望驴子无缺点，只有自己徒步行。
Are sure both of us have a brighter future.
我们相信双方都有一个光明的前景。