求将合同中的英文翻译为中文，非常感谢!望专业人士回答~

Question

1、80% PAID BY UNCONFIRMED IRREVOCABLE USANCE L/C(S), OPEN TWO MONTHS PRIOR TO EACH SHIPMENT AND PAYABLE 180 DAYS AFTER B/L DATE PROPORTIONALLY 80% OF EACH SHIPPED GOODS VALUE, AGAINST THE PRESENTATION OF THE SHIPPING DOCUMENTS. L/C(S) TO BE ISSUED BY LOCAL BANK AT PURCHASER'S COUNTRY
2、80% -DELIVERY PROGRESS PAYMENT, PAYABLE BY T/T PROPORTIONALLY 80% OF EACH DELIVERED GOODS VALUE, IN 30 DAYS AFTER THE RECEIPT OF EACH DELIVERY OF THE GOODS AT THE MILL SITE (MONTHLY BASIS), AGAINST ORIGINAL INVOICE AND GOODS RECEIPT CERTIFICATE SIGNED BY THE AUTHORIZED PERSON OF THE PURCHASER

Answer 1

“黄金英语牛人团”欢迎为你翻译英语
1、80% PAID BY UNCONFIRMED IRREVOCABLE USANCE L/C(S), OPEN TWO MONTHS PRIOR TO EACH SHIPMENT AND PAYABLE 180 DAYS AFTER B/L DATE PROPORTIONALLY 80% OF EACH SHIPPED GOODS VALUE, AGAINST THE PRESENTATION OF THE SHIPPING DOCUMENTS. L/C
(S) TO BE ISSUED BY LOCAL BANK AT PURCHASER'S COUNTRY

翻译：
80%不可撤销的即期信用证支付（S），打开两个月前180天的每批货物的付款提单日期比例80%每个装运货物的价值后，对运输单据。L / C（S）是在买方国家的当地银行发行

2、80% -DELIVERY PROGRESS PAYMENT, PAYABLE BY T/T PROPORTIONALLY 80% OF EACH DELIVERED GOODS VALUE, IN 30 DAYS AFTER THE RECEIPT OF EACH DELIVERY OF THE GOODS AT THE MILL SITE (MONTHLY BASIS), AGAINST ORIGINAL INVOICE AND GOODS RECEIPT CERTIFICATE SIGNED BY THE AUTHORIZED PERSON OF THE PURCHASER

翻译：
80%交货进度付款，电汇比例80%每个交付的货物价值应在工厂现场，每个交货收据后30天（每月），对原始发票和收货凭证由买方授权人签署

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Answer 2

1、80%支付未经证实的不可撤销远期信用证(S),打开前的两个月每个装运后180天付款,提单日期按比例80%的货物价值,每对的单据提交。L / C(S)是当地银行出具在买方国家2、80%交货进度付款,电汇支付比例80%的每个交付货物价值,在30天之后收到每个交付的货物在制造现场(每月),对原始发票和货物收据证书授权人签署的买方。
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参考资料：有道翻译