你把以前翻译的重新粘贴过来回答吧,上次的采纳错了.不好意思

1,so far we have not received your open to an irrevocable letter of credit.2,after the receipt of letters of credit for immediate shipment.3,the user has repeatedly urged us to an early delivery,so we can not agree with the credit extension again.4,we consider it our responsibility to remind you that the reason the import license restrictions (import licence restrictions),extend the credit is not possible.5,we need oil,you'll please the title under the contract referred to 50,000 tons during the month lots.6,the situation since it is so,we make all ready,waiting for you ship to my port.7,if possible,attach the "Red Star " round,May 5 sailing from Dalian.