1.
irrevocable letter of credit,

不可撤销的信用证,
2.
irrevocable and confirm credit

保兑不可撤销的信用证
3.
Revocable and unconfirmed credit

不保兑、可撤销的信用证
4.
Uh-huh. He agreed to pay by Irrevocable Letter of Credit.

嗯。他同意用不可撤销的信用证付款。
5.
confermed irrevocable letter of credit

保兑的不可撤销的信用证
6.
Irrevocable and unconfirmed credit

不保兑、不可撤销的信用证
7.
Payment: by irrevocable letter of credit or cheque with order.

付款:不可撤销的信用证或订购支票。
8.
The bank has made out an irrevocable letter of credit.

银行开出了不可撤销的信用证[状]。
9.
An Irrevocable l/c be essential In International trade .

不可撤销的信用证在国际贸易中是必不可少的。
10.
We'd like you to pay us by irrevocable letter of credit.

我们希望你们用不可撤销的信用证付款。
11.
Payment by an Irrevocable letter of cadet be covenant for us .

用不可撤销的信用证支付对我们来说很方便。
12.
Payment of the processing fee and shipping expenses shall be made by irrevocable letter of credit to be opened by you.
你方用不可撤销的信用证支付加工费和装运费。
13.
As for payment, we prefer an irrevocable L/C.

至于付款条件,我方希望开立不可撤销的信用证。
14.
A Credit may be either revocable or irrevocable.

信用证可以是可撤销的或可撤销的。
15.
irrevocable documentary letter of credit

不可撤销跟单信用证
16.
An irrevocable and transferable L/C,

不可撤销的,可转让的信用证,
17.
revocable unconfirmed banker's credit

可撤销的银行未保兑信用证
18.
In the absence of such indication the Credit shall be deemed to be irrevocable.

因此信用证上应明确注明是可撤销的或是不可撤销的。