送交者: Enlighten 于 2005-7-22, 16:59:31:

回答: The issue is risk management, not how long a water dam will last. 由 skipper3 于 2005-7-22, 16:57:02:

• That's an unusual phenomena. It's because the interest rate - skipper3 (439 bytes) 2005-7-22, 17:17:59

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