英語翻譯
誰能幫我翻譯一下這段話~
是關(guān)于石油的~
一定得聽得懂`
不要什么翻譯軟件之類的~我自己已經(jīng)試過了~
US Gulf Coast (USGC),North West Europe (NWE - Rotterdam) and Singapore.
In each case they are based on a single crude oil appropriate for that region and have optimized product yields based on a generic refinery configuration (cracking,hydrocracking or coking),again appropriate for that region.
The margins are on a semi-variable basis,ie the margin after all variable costs and fixed energy costs.