1.Firm order backlog for 737 models at the end of February 2017 totaled 4,423 aircraft; over 80 percent of the orders were for re-engined MAX models 2.737 MAX 8 achieved certification in March 2017 3.The 737 program also provides green aircraft to Boeing for conversion into P-8A maritime patrol aircraft
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机译：1，截至2017年2月底，737飞机的未交付订单总计4,423架;超过80％的订单是经过重新设计的MAX型号2.737 MAX 8于2017年3月获得认证3.该737计划还向波音公司提供了绿色飞机，可转换为P-8A海上巡逻机
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