鲁道夫·狄塞尔相信他的发动机可以用各种各样的植物油驱动，但由于以石油为基础的柴油燃料价格更便宜且容易获取，于是柴油迅速成为发动机燃料的首选。
Dr. Rudolf Diesel believed his engine would operate on a variety of vegetable oils but, as petroleum-based diesel fuel was cheaper and readily6 available, it quickly became the fuel of choice.
鲁道夫·狄塞尔相信他的发动机可以用各种各样的植物油驱动，但由于以石油为基础的柴油燃料价格更便宜且容易获取，于是柴油迅速成为发动机燃料的首选。
Dr. Rudolf Diesel believed his engine would operate on a variety of vegetable oils but, as petroleum-based diesel fuel was cheaper and readily6 available, it quickly became the fuel of choice.
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