gāngjīnhùnníngtǔ
ㄍㄤ ㄐㄧㄣ ㄏㄨㄣˋ ㄋㄧㄥˊ ㄊㄨˇ
Simplified 钢筋混凝土
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 鋼筋混凝土 and it comes back until you know it.