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1·The Credit shall be available on the opening bank for 100% invoice value against presentation of the shipping documents specified in Clause 9 hereof.

卖方凭本合同第九条规定的单据提交开证银行议付货款。

2·According to Clause 19 of the Notice, a tender remains valid within the 180 days after the prescribed tender opening date.

根据本须知第19条规定，投标应在规定的开标日后的180天内保持有效。