英语翻译请教这一段英文的意思：Eachshipmentquantityof200,000Mt(+/-10%)valuecoveringHundredPercent(100%)paymentbyirrevocable,andconfirmableautorevolvingsightL/CforTwelveshipments,providingforpaymentofthefulli

Question

英语翻译
请教这一段英文的意思：
Each shipment quantity of 200,000Mt (+/- 10%) value covering Hundred Percent (100%) payment by irrevocable,and confirmable auto revolving sight L/C for Twelve shipments ,providing for payment of the full invoice according the dry basis value (The quantity taken out of moisture) of the materials at sight,on presentation of documents noted below within 7 days at seller’s bank counter.The L/C should contain the following terms and conditions and issued by a FIRST CLASS WORLD PRIME BANK.

Answer 1

每一批数量200000mt （ + / -1 0％ ） ,包括价值（ 1 00％ ）付款不可改变的,并c onfirmable自动循环即期信用证/碳1 2的出货量,为支付全额发票按干基值（量带出水分）的材料看,出示文件指出,在下面的7天内,卖方的银行柜台.的L /炭应包含以下条款和条件,以及所发出的第一个世界级的黄金银行.