久久久无码人妻精品无码_6080YYY午夜理论片中无码_性无码专区_无码人妻品一区二区三区精99

US EUROPE AFRICA ASIA 中文
Business / Industries

Regional jet airliner makes maiden flight

By Du Xiaoying (China Daily) Updated: 2016-06-29 08:08

Regional jet airliner makes maiden flight

Flight attendants of Chengdu Airlines take a photo in front of the regional jet ARJ21-700 at Chengdu Shuangliu International Airport in Southwest China's Sichuan province on June 28, 2016. [Photo/Xinhua]

The ARJ21-700, China's first home grown regional jet airliner designed and manufactured by Commercial Aircraft Corporation of China, made its maiden flight on Tuesday from Chengdu, Sichuan province to Shanghai, in a flight operated by Chengdu Airlines.

ARJ21, short for Advanced Regional Jet for the 21st Century, is also the country's first domestically produced commercial aircraft, widely regarded as the pathfinder for the C919, China's first locally made large passenger aircraft which rolled off the assembly line in November.

"Our final goal is to achieve business and market success," said Tian Jianbo, deputy chief designer of ARJ21.

"The operation has entered a completely new stage. We won a battle, but there is still a long way to go," said Tian.

Flight safety, operational convenience and brand building are the main initial focuses of the ARJ21 airliner, Chengdu Airlines said in a statement on Tuesday.

According to the statement, the ARJ21s in the early stage will be based in Chengdu and fly to important regional cities, depending on their market potential and passenger volumes.

Chendu Airlines is the first to operate the new aircraft. It will serve the Chengdu-Shanghai route, every Tuesday, Thursday and Saturday.

"ARJ21 is safe, but not perfect. There are some improvements that can be made, such as fuel efficiency and comfort," said Yang Shuanchang, a senior official at the Ministry of Industry and Information Technology, who added that attention to detail by the developers meant they spent significantly more time than industry norms in test flights.

"We haven't yet mastered this kind of technology, so we spent three times longer than other (airplane makers)", he said, explaining normal test flights for an aircraft model would be about 2,000 hours, while the ARJ21 tested more than 5,200 hours.

The makers say the flight range of ARJ21 is between 2,225 and 3,700 kilometers, with a top altitude of 11,900 meters. The 78-90 seater airliner has an estimated operational lifespan of 60,000 flying hours.

COMAC said it will offer a satellite communication system for the ARJ21, and telephone and high speed wireless internet access for passengers and flight crew.

Hot Topics

Editor's Picks
...
久久久无码人妻精品无码_6080YYY午夜理论片中无码_性无码专区_无码人妻品一区二区三区精99

    亚洲国产精品久久久久婷婷884| 日本va欧美va精品| 97精品国产97久久久久久久久久久久| 国产精品视频在线看| 91丨九色porny丨蝌蚪| 亚洲地区一二三色| 日韩欧美一二区| 国产精品123区| 亚洲美女免费在线| 6080午夜不卡| 黑人巨大精品欧美一区| 国产精品免费观看视频| 在线国产电影不卡| 久久99精品久久久久婷婷| 国产精品毛片大码女人| 欧美亚洲日本一区| 精品一区二区三区免费播放| 国产精品你懂的在线| 欧美日韩国产精品自在自线| 精品一区二区三区久久久| 一色屋精品亚洲香蕉网站| 欧美精选午夜久久久乱码6080| 国产在线一区二区| 亚洲天堂久久久久久久| 欧美一级二级在线观看| 成人在线视频首页| 亚洲成人tv网| 国产欧美视频一区二区| 欧美日韩国产精品自在自线| 国产黄人亚洲片| 亚洲国产乱码最新视频| 久久久久久久久久久久久久久99 | 五月激情丁香一区二区三区| www久久精品| 在线免费观看不卡av| 黄网站免费久久| 亚洲欧美精品午睡沙发| 2021国产精品久久精品| 在线亚洲高清视频| 国产精品77777| 午夜激情一区二区| 中文字幕一区二区三| 日韩三级伦理片妻子的秘密按摩| 99久久精品国产一区二区三区| 久久国产视频网| 一区二区三区四区不卡视频| 国产色91在线| 91精品国产综合久久精品麻豆| 99久久综合国产精品| 久久99精品久久久久久动态图| 亚洲一区二区精品视频| 国产欧美日韩精品一区| 3d成人h动漫网站入口| 97久久人人超碰| 国产在线国偷精品免费看| 亚洲va韩国va欧美va精品| 最新久久zyz资源站| 欧美精品一区二区在线观看| 欧美日韩精品三区| 91女人视频在线观看| 国产精品一卡二卡| 久久激五月天综合精品| 午夜精品影院在线观看| 一区二区三区中文字幕在线观看| 国产婷婷色一区二区三区 | 国产女人水真多18毛片18精品视频 | 久久aⅴ国产欧美74aaa| 亚洲成av人片一区二区| 亚洲天天做日日做天天谢日日欢 | 51精品国自产在线| 在线免费观看日本一区| 91影视在线播放| 成人av免费在线播放| 国产很黄免费观看久久| 激情综合亚洲精品| 免费观看成人av| 午夜精品一区二区三区电影天堂 | 国产传媒日韩欧美成人| 久久99国产精品尤物| 人人狠狠综合久久亚洲| 亚洲123区在线观看| 亚洲综合激情小说| 亚洲女爱视频在线| 国产精品伦一区二区三级视频| 久久精品一级爱片| 亚洲精品一区二区三区蜜桃下载| 欧美一二三在线| 91精品国产色综合久久不卡电影| 欧美精品aⅴ在线视频| 欧美色爱综合网| 在线观看av不卡| 色噜噜狠狠成人中文综合| 99久久精品国产毛片| jiyouzz国产精品久久| eeuss鲁一区二区三区| 成人免费高清在线| 成人国产精品视频| 99久久国产免费看| av中文一区二区三区| av男人天堂一区| 色综合久久久久| 91激情五月电影| 精品婷婷伊人一区三区三| 欧美日韩aaaaaa| 在线播放一区二区三区| 日韩视频永久免费| 日韩精品中文字幕在线不卡尤物| 日韩午夜在线观看视频| 欧美成人性战久久| 久久久噜噜噜久久中文字幕色伊伊 | 久久av老司机精品网站导航| 精品一区二区三区在线视频| 国产在线精品一区二区不卡了| 国产精品资源在线看| 成人精品视频一区二区三区尤物| 成人av网站免费| 日本精品裸体写真集在线观看| 91福利视频久久久久| 欧美日韩一区视频| 欧美一二区视频| 精品欧美一区二区久久| 国产婷婷色一区二区三区四区 | 美女视频网站黄色亚洲| 久久精品国产精品青草| 国产精一品亚洲二区在线视频| 福利电影一区二区三区| 一本色道久久综合精品竹菊| 欧美影院一区二区三区| 日韩一区二区三免费高清| 久久婷婷国产综合精品青草| 国产精品欧美一区二区三区| 一区二区三区在线免费| 日韩不卡在线观看日韩不卡视频| 国产一区三区三区| av成人老司机| 欧美乱熟臀69xxxxxx| ww亚洲ww在线观看国产| 最近中文字幕一区二区三区| 午夜免费欧美电影| 国产麻豆91精品| 色天天综合色天天久久| 91麻豆精品国产91久久久久| 久久精品一二三| 一片黄亚洲嫩模| 精品影院一区二区久久久| gogogo免费视频观看亚洲一| 欧美日韩亚洲综合| 久久精品一区八戒影视| 一区二区三区四区不卡视频 | 国产成人小视频| 91官网在线观看| 欧美精品一区二区三| 亚洲人成在线播放网站岛国 | 91色视频在线| 欧美一区午夜精品| 国产精品伦理一区二区| 日韩国产精品久久久| 处破女av一区二区| 91超碰这里只有精品国产| 国产欧美一区二区三区鸳鸯浴 | 国产性色一区二区| 亚洲亚洲精品在线观看| 国产精品一区不卡| 欧美日韩dvd在线观看| 中文字幕av不卡| 日韩精品欧美精品| 99久久99久久久精品齐齐| 欧美一级二级三级乱码| 亚洲色图制服丝袜| 久久精品理论片| 91国产成人在线| 日本一区二区三区四区在线视频 | 国产精品第13页| 麻豆精品新av中文字幕| 色综合久久88色综合天天6| 2020国产精品| 天天综合色天天| 91色.com| 国产清纯白嫩初高生在线观看91 | 国产精品亚洲第一区在线暖暖韩国| 色94色欧美sute亚洲13| 日本一区二区三区电影| 蜜臀av亚洲一区中文字幕| 色婷婷精品大在线视频 | 午夜精品在线看| caoporn国产精品| 亚洲精品一区在线观看| 午夜一区二区三区在线观看| www.色精品| 久久久国产综合精品女国产盗摄| 日韩黄色免费电影| 在线观看视频一区| 国产精品国产三级国产aⅴ原创| 精品一区二区三区欧美| 欧美丰满嫩嫩电影| 亚洲午夜三级在线| 一本久久a久久免费精品不卡| 亚洲国产高清在线观看视频| 久久av中文字幕片| 91精品国产黑色紧身裤美女|