求翻译：议付行在审单相符后买入单据垫付货款，即按票面金额扣除从议付行到汇票到期之日的利息，将净款付给出口商。信用证的种类：可撤销与不可撤销的信用证。这是根据开证行对所开出的信用证所负的责任来区分。是什么意思？

Negotiating a single trial after the match line to buy advance payment documents, which at par value to be deducted from the negotiating bank interest bill due date, net proceeds will be paid to exporters. Types of credit: revocable and irrevocable letter of credit. This is based on the issuing bank

The correspondent bank in the single-line, after paying the money buy documents for a nominal amount that is deducted from the payment due date of the Bill, will result in a net interest paid to the exporter. Type the letter of credit: may revoke the irrevocable letter of credit. This is in accordan

The negotiation line after will examine the list match case to buy up the documentary evidence to pay the loans, namely deducts according to the face value amount from the negotiation line to the bank draft due day interest, only the funds will pay the exporter.Letter of credit type: May abolish wit

Negotiating bank in relation to the same purchase documents after advance payment, that is, according to par value after deducting from the negotiating bank to the maturity date of the interest, net paid to exporters. Types of Credit: revocable and irrevocable letters of credit. This is based on the

The negotiating bank buys in the document to pay for the payment for goods first after examining and agreeing only, namely deduct the interest from negotiating bank to day that the draft expires according to the amount of face value, pay the exporter the net fund. The type of the letter of credit: C