槽鋼 [－钢]

Jyutping cou4 gong3
Pinyin cáo gāng

Definitions (CC-CEDICT)
  1. steel groove
  2. V-shaped steel bar
Definitions (Wiktionary)
  1. noun
    channel iron
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）