4月20日19时41分,搭载天舟一号货运飞船的长征七号遥二运载火箭,在我国海南文昌航天发射场点火发射,约596秒后,飞船与火箭成功分离,进入预定轨道,发射取得圆满成功。这是天舟货运飞船和长征七号运载火箭组成的空间站货物运输系统的首次飞行试验。飞船入轨后,将按预定程序与在轨运行的天宫二号先后进行自动交会对接、自主 At 19:41 on April 20, the Long March No.7 carrier rocket carrying the spacecraft No. 1 on day boat was fired at the Wenchang Space Launch Site in Hainan, China. After about 596 seconds, the spacecraft and the rocket successfully separated and entered the planned orbit. The launch was a complete success. This is the first flight test of the space station cargo transport system consisting of the Skyboat spacecraft and the Long March VII launch vehicle. After entering the orbit, the spacecraft will be rendezvous and docking in accordance with the scheduled procedures and the in-orbit of the Temple of Heaven II.