Published estimates of the emissions reductions from biodiesel and the dollar benefits of unit reductions in emissions are used to compute a per-gallon external benefit from use of biodiesel, versus petrodiesel.
請翻譯這段英文~~謝謝
2007-03-24 09:53:48 · 2 個解答 · 發問者 Anonymous in 社會與文化 ➔ 語言