油品

yóu pǐn shēng jí

油品升级

petrol quality upgrade

bù gǎi biàn zhè qíng kuàng jiù nán yǐ huǎn jiě yóu pǐn jǐn zhāng de jú miàn

不改变这情况，就难以缓解油品紧张的局面。

If this is not changed, it will be hard to ease the tense situation that oil products are in.

dá chéng yóu pǐn jiāo yì

达成油品交易

make a deal in oil products