北京、天津、唐山（簡稱京津唐）這一線處於板塊邊沿，有多條斷裂帶，因此才會有唐山大地震。

來源: huahualan 於 2011-03-14 06:50:44 [舊帖] [給我悄悄話] 本文已被閱讀：次

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