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峰值推力35.2吨自研发动机同步研发！上海集中全力：C929研制等_我的网站
一 | KYIV, Ukraine -- A Russian missile attack killed two civilians in an apartment building in southern Ukraine on Wednesday, local authorities said, as President Vladimir Putin dismissed the importance of a new U.S.-supplied weapon that Kyiv used to execute one of the most damaging attacks on the Kremlin’s air assets since the start of the war.Putin told reporters that Russia “will be able to repel” further attacks by the U.S.-made Army Tactical Missile System, known as ATACMS.Ukraine claimed it used those missiles to destroy nine Russian helicopters, as well as ammunition, an air defense system and other assets at two airfields in Russia-occupied regions on Tuesday.That development came as the two sides looked to gain battlefield advantages and consolidate their positions ahead of the winter when the weather would hamper operations.The ATACMS will shift the battlefield layout to some degree as Russia will need to disperse its aircraft and ammunition depots. It had used aircraft to stop Ukraine’s ongoing counteroffensive.Putin, speaking to reporters during a visit to Beijing, conceded the ATACMS creates an additional threat but he insisted that the weapon would not change the situation along the 1,500-kilometer (932-mile) front line.“For Ukraine, in this sense, there’s nothing good ... it only prolongs the agony,” he said.Russia’s ambassador to the U.S., Anatoly Antonov, described Washington’s decision to supply the ATACMS as “reckless” and “a grave mistake” that won’t alter the war’s outcome.The fighting has ground largely to a stalemate, with a protracted war of attrition expected at least through next year.The U.K. defense ministry said Wednesday that the Kremlin’s forces are currently trying to push forward in some parts of eastern Ukraine. However, the areas are well defended and it is “highly unlikely” the Russians will accomplish their goal of a major breakthrough, it said in an assessment posted on social media platform X, formerly known as Twitter.Wednesday's attack killed two Ukrainian civilians and wounded at least three others when a Russian missile struck a building in the central district of the southern city of Zaporizhzhia, the region’s Gov. Yurii Malashko said.The attack apparently used six S-300 missiles, which took only 42 seconds to reach the city after being launched from Russian-controlled Ukraine land, according to Malashko.Russia’s defense ministry, meanwhile, claimed its forces shot down 28 Ukrainian drones in the Belgorod and Kursk regions and in the Black Sea area. It did not provide further details.It wasn’t immediately possible to verify the two sides’ battlefield claims.___Jim Heintz in Tallinn, Estonia contributed.___Follow AP’s coverage of the war in Ukraine at https://apnews.com/hub/russia-ukraine。 8月25日消息，上海近期明确公布了下一阶段产业领域的重点工作目标，其中就把加快推进新型工业化、构建适配城市定位的现代化产业体系摆在了核心位置。 按照上海对外披露的专项产业规划，接下来将重点发展壮大全链条民用航空装备产业，核心推动C909系列化迭代、C919规模化量产、C929核心技术攻关落地，集中资源突破航空发动机、机载系统、核心复合材料、高端航空制造装备等关键配套环节，加快培育完全自主可控的本土大飞机和低空装备全产业链。 按照中国商飞此前对外公开的研发进度信息，定位290座级的C929宽体客机完全由中方独立主导研发，项目此前已经正式完成总体方案评审，全面转入详细工程设计阶段，目前风洞试验、机身分段静力测试、核心系统匹配攻关等多个环节正在同步并行推进，整体研发节奏比预期进度更快。
二 | 为C929配套的国产自研CJ-2000长江大涵道比发动机，目前累计已经完成3000小时高空台全状态测试，实测峰值推力达到35.2吨，综合性能直接对标国际同级主流航发产品，彻底打通了大飞机整机动力自主化的最关键核心环节。
三 | 从支线客机到单通道干线客机再到宽体大飞机的全链条布局，搭配核心航发的完全自主突破，意味着国内民用航空产业已经彻底走完了技术摸索的初步阶段，接下来很快就能形成完全自主可控、具备全球市场竞争力的完整产业集群，直接打破过去海外厂商垄断宽体客机市场的长期格局。
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