Correct

矿坑

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Strokes

Definition

mine/mine shaft

Example

As a Noun

pit

1
Kuàngkēng
矿坑
shuǐ
水

pit water

2
Kuàngkēng
矿坑
páishuǐ
排水

mine drainage

3
Kuàngkēng
矿坑
xiàxiàn
下陷

mining subsidence