Lacking the refining capacity to meet domestic demand, Iran found itself vulnerable to a sudden cut-off in petrol imports.
因为炼油能力不足以满足国内需求，在国际社会对伊朗石油进口骤减的情况下，该国显得十分脆弱。
2
One pair of bills would punish all firms, including foreign ones, that sell petrol or refining equipment to Iran (Iran is short of refining capacity).
有议案就提出，那些出售石油或提炼设备给伊朗的公司，也包括国外公司（伊朗提炼能力不足）都将受到惩罚。
3
A move to higher oil prices would not necessarily generate corresponding gains in retail fuel prices, as new refining capacity has made petrol markets more competitive.