60米的沙土和60米的混凝土可不是一码事儿。
所有跟帖:
• 哪个更难钻入呢? -clinton-2007- ♂ (0 bytes) () 08/03/2009 postreply 23:17:12
• 哪个更难钻入呢? -clinton-2007- ♂ (0 bytes) () 08/03/2009 postreply 23:17:12
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