求翻译：我们已经请洛杉矶大通银行开立一张10万美元的信用证，以贵行为受益人，有效期至5月30日。信用证将由中国银行上海分行确认。该行将凭单承兑发票所开金额。是什么意思？

We have asked the Los Angeles Chase bank to open a $ 100,000 letter of credit to the beneficiary of your behavior, valid until May 30. Letter of credit confirmed by the Bank of China Shanghai Branch. The line opened by voucher acceptance of the invoice amount.

We have already invited Los Angeles chase a $100,000 letter of credit from the beneficiary to your conduct, which is valid until 30 May. Letters of credit will be confirmed by the Bank of China branch in Shanghai. The impending voucher acceptance the amount invoiced.

We already asked Los Angeles to pass the bank to draw up 100,000 US dollar letters of credit greatly, take your firm as the beneficiary, the term of validity to May 30.The letter of credit will confirm by Bank of China Shanghai Branch.This line accepts the certificate the receipt amount.

We have requested Chase open in Los Angeles of a 100,000-dollar letter of credit, to your beneficiaries, is valid until May 30. Letter of credit confirmed by the Bank of China Shanghai Branch. The line vouchers accepted invoices the amount open.

We have already asked Los Angeles Chase Manhattan Corp. to open a letter of credit at 100,000 dollars, in your bank's favor, remain valid until May 30. The letter of credit will be confirmed by Bank of China Shanghai Branch. This bank honours the amount that invoice makes of the voucher.