短語(yǔ)詞組短語(yǔ)sight t letter of credit 即期信用證sight payment letter of credit 即期付款信用證;見(jiàn)票即付信用證Sight irrevocable letter of credit 即期不可撤銷信用證Irrevocable Sight Letter Of Credit 不可撤銷即期信用狀deferred sight letter of credit 延期付即期信用證at sight letter of credit 即期信用證付款by sight letter of credit 即期不可撤消信用證為付款方式letter of sight credit 即期信用證 返回 sight letter of credit