Correct

矿难

/ kuàng nán / 
Strokes

Definition

mining disaster

Example

As a Noun

mine disaster

1
Cháchū
查出
kuàngnán
矿难
de
的
zhēnxiàng
真相

find out the facts of the mine disaster

2
Yīqǐ
一起
  
/
cì
次
kuàngnán
矿难

a mine disaster