银行资信证明、质保函、信用证的开立的翻译：Bank credit certificate, letter of guarantee, letter of credit opened 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Bank credit certificate, letter of guarantee, letter of credit opened

The bank credit proves, the nature letter of guarantee, letter of credit drawing up

Bank credit certification, quality guarantees, letters of credit by the opening of the

Bank credit certificate, letter of guarantee, letter of credit opened