送交者: meiyou 于 2015-04-04, 17:32:55:

回答: 纤维素是地球上产量最多的有机物、、、全是高能糖 由 蓝隼 于 2015-04-04, 17:25:54:

• i m not convinced unless you can quantify. solar panel efficiency cannot... - pgss (24 bytes) 2015-04-06, 07:13:19 (776027)

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