We ask you to use an irrevocable letter of credit.

我们要求您们开一张下可撤销的信用状。

I'll pay by irrevocable letter of credit， as usual.

我会按惯例以不可撤销信用证方式付款。

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.

Payment by irrevocable letter of credit payable against shipping documents

不可撤消的、凭装运单据付款的信用证付款方式

We'd like you to pay us by irrevocable letter of credit.

答：我们希望你能支付我们的不可撤销的信用证。

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.

It Is an irrevocable letter of credit which can not be changed.

这是一份不可撤消信用证、是不能更改的。

Our terms of payment is confirmed and irrevocable letter of credit.

我们的付款条件是保兑的不可撤消的信用证.

You’ll need to open a confirmed and irrevocable letter of credit.

你们需要开立一个保兑的、不可撤消的信用证。

Terms of payment: irrevocable letter of credit to be drawn at sight.

付款方式为不可撤销即期信用证。