求翻译：我们已请洛杉矶大通银行（the Chase Bank of Los Angeles）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 (the Chase Bank of Los Angeles) 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.

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We have asked Los Angeles to pass the bank (the Chase Bank of Los Angeles) 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 confirmed by Bank of China Shanghai Branch.This line accepts the certificate the r

We have asked the Los Angeles Chase (the Chase Bank of Los Angeles) opened 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. (the Chase Bank of Los Angeles) 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 m