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[請問] 滲穴和天坑有不同嗎
Jan 1st 2014, 23:12, by ccccbong

作者ccccbong (23456789)

站內ask

標題[請問] 滲穴和天坑有不同嗎

時間Wed Jan 1 23:12:55 2014

如題, 都是石灰岩地形常見景觀, 兩者的差別難道只是大小嗎? 還是說滲穴沒有完全切穿地面, 天坑則與地洞相連? -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 118.169.208.167

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