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礦井

礦洞出口

礦井，是礦場常見的建築，當礦藏不存在於地面的一層，礦工必須在地面鑽出沙井深入地心，利用各種開礦科技把地底深處礦物帶上地面。

在修築隧道、下水道等地下建物時，也常須從地面鑽垂直或接近垂直的井深入地底，這類井稱為“斜井”或“豎井”。而在完工之後，有些斜井、豎井會保留做為通風、排煙或緊急逃生等用途。

意外

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設施

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礦物

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礦井
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