0 New HSK word(s):

1 Old HSK word(s): D N 矿井 * kuang4jing3 Mine, Zeche, Grube, Schacht

矿井 [kuang4 jing3]

Bergwerk (S, Geol)Mine (S, Geol)Schacht, Minenschacht (S, Geol)
矿井水 [kuang4 jing3 shui3]

Grubenwasser (S, Tech)
矿井瓦斯 [kuang4 jing3 wa3 si1]

Schlagwetter (Bergbau) (S, Tech)