加拿大重油以油砂形式存在，由高硫瀝青、砂石、水和粘土混合而成。品質低劣，當然便宜

來源: victor1988 於 2026-02-03 11:04:02 [舊帖] [給我悄悄話] 本文已被閱讀：次

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