送交者: HunHunSheng 于 2008-06-10, 10:10:06:

回答: N年前有个新闻， 荷兰白大哥知道老印用牛粪发沼气 由 Latino2 于 2008-06-10, 09:59:23:

• Not a Clean energy, and low efficiency as well (无内容) - Latino2 (0 bytes) 2008-06-10, 10:22:20 (234268)

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