first cla meaning in Chinese

一等舱

How do you want to fly , coach or first cla
您想买什么票，二等舱还是头等舱？
2 i ' d like to change this ticket to the first cla
我想把这张票换成头等车。
Claim : any claim to the sellers of whatsoever nature arising under this contract shall be made by registered mail within 45 days after the arrival of the merchandise at the destination ecified in the bill of lading and further full particulars of such claim shall be made in writing and forwarded by registered mail to the sellers within 15 days after notifying , accompanied by such particular ' s survey report is sued by leading , first cla and international sworn authorized surveyor ( s )
索赔：本合约下产生的不论什么性质的向卖方的索赔，必须在货物到达提货单上所指定的目的地之后四十五天内用挂号邮件提出，并在通知后十五天内进一步书面拟就这种索赔的完整详细情况并用挂号邮件寄给卖方，附上主要的、第一流的经国际宣誓认可的公证人关于这种细情的公证报告。