就用水冲。Google gold mining if you want to know more.
所有跟帖:
• 我说的是用水冲淘出来的金粉怎样把他们最后烧结成一块大金块 -片而川- ♂ (0 bytes) () 10/06/2013 postreply 12:22:12
• 电焊枪一烧,金就变成水了。 -cultuslake- ♂ (0 bytes) () 10/06/2013 postreply 13:03:06
• 我说的是用水冲淘出来的金粉怎样把他们最后烧结成一块大金块 -片而川- ♂ (0 bytes) () 10/06/2013 postreply 12:22:12
• 电焊枪一烧,金就变成水了。 -cultuslake- ♂ (0 bytes) () 10/06/2013 postreply 13:03:06
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