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chimney | |||
vertical migration shaft | |||
vertical shaft; silo | |||
coal pit; main shaft; perpendicular shaft; pit; rising shaft; well-shaft | |||
shaft; vertical shaft; shaft well; vertical well; well | |||
shaft vent | |||
aven; cenote; perpendicular well; pot-hole; shaft way; vertical bar; well shaft; riser | |||
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well | |||
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drop shaft | |||
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shaft |
竖井: 419 phrases in 21 subjects |