短語詞組短語derv fuel 車用柴油;高速柴油機燃料Derv Flowers 蹇錫鈞derv ammunition oil 車用柴油DERV -1 臺derv fuel oil 車用柴油cylinder pressure difference for derv 柴油車缸壓差ahead angle tolerance for derv 柴油車提前角公差 返回 derv