Definition of 坑井 (こうせい)
こうせい
坑井
こうせい
kousei
noun
•
winze (mining), well (oil, gas)
Related Kanji
| 坑 | pit, hole |
| 井 | well, well crib, town, community |
| 坑 | pit, hole |
| 井 | well, well crib, town, community |
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