豆油期价在很大程度上与石油市场保持关联，就生物柴油的生产而言，基本处于保本价格。
Soybean oil futures have been largely tied to the petroleum market , staying near their break-even price for biodiesel production .
石化产品保本价与价格灵敏度分析
Petrochemical Product Cost Conservative Price and Price Sensitivity Analysis
保本价格