A井筒直径5.0~10.0m,井筒深度1000m
B井筒直径5.0~6.5m,井筒深度500~1800m
C井筒直径4.0~5.0m,井筒深度400~600m
D井筒直径5.0~6.5m,井筒深度300~400m
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