chuándòngxìtǒng
ㄔㄨㄢˊ ㄉㄨㄥˋ ㄒㄧˋ ㄊㄨㄥˇ
Simplified 传动系统
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 傳動系統 and it comes back until you know it.