Payment: by irrevocable letter of credit available by draft payable at sight.
付款:以即期不可撤销信用证付款。
We usually demand payment by L/C available by draft at sight.
我们通常要求用即期汇票信用证。
Our terms of payment are by confirmed, irrevocable letter of credit available by draft at sight.
我们要求凭装船单据以保兑的、不可撤销的即期信用证支付。
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