据中国载人航天工程办公室消息，北京时间2022年10月25日，梦天实验舱与长征五号B遥四运载火箭组合体已转运至发射区。后续将按计划开展发射前各项功能检查和联合测试等工作，计划于近日择机实施发射。按照计划，中国空间站梦天实验舱将于本月在海南文昌航天发射场发射。The Mengtian lab module of China's space station and a Long March-5B Y4 carrier rocket were transferred to the launchpad at Wenchang Spacecraft Launch Site in south China's Hainan Province on Tuesday, according to the China Manned Space Agency.Mengtian is scheduled to be launched this month atop the carrier rocket to join the Tianhe core module and the previously launched Wentian lab module of the space station, forming a T-shaped complex by the end of this year.In the next few days, various pre-launch functional checks and joint tests will be carried out as planned at the launch site.梦天实验舱长17.9米，最大直径4.2米，总重量超过20吨。与此前成功发射对接的问天实验舱不同，梦天实验舱内并未设置航天员的休息区和生活区，但其舱内实验机柜的数量却是三个舱段中（天和核心舱、问天实验舱、梦天实验舱）最多的。据中国载人航天工程新闻发言人、中国载人航天工程办公室副主任林西强此前介绍，梦天实验舱主要面向微重力科学研究，配置了流体物理、材料科学、燃烧科学、基础物理以及航天技术试验等多学科方向的实验柜，支持开展重力掩盖下的多相流与相变传热、基础燃烧过程、材料凝固机理等物质本质规律研究以及超冷原子物理等前沿实验研究。Mengtian means "Dreams of Heaven." The module weights more than 20 tonnes. It's 17.9 meters long and has a maximum diameter of 4.2 meters. The lab module can be further subdivided into work, resource, payload and cargo airlock modules.Mengtian is mainly designed for scientific experiments. Unlike Tianhe and Wentian, it doesn't have a sleeping cabin. Instead, it's full of cabinets that can satisfy hundreds of experiments.The module will focus on microgravity scientific research. It is equipped with multi-disciplinary laboratory cabinets for experiments of fluid physics, materials and combustion science, basic physics and aerospace technology.长征五号B运载火箭是我国低轨运载能力最强火箭，这已经是它第三次负责空间站舱体的发射任务了。在火箭被运往发射台之前，CGTN记者郑亦冰实地探访了它的“出生地”，中国目前最大直径火箭垂直总装测试厂房。
这座高达99.4米，地下1层，地上14层，历时3年半建成的厂房，由中建八局广州公司承建，目前拥有着多项工程记录，包括亚洲最大的钢铁之门、中国单层最高的厂房、以及国内最高的桁架安装。The Long March 5B carrier rocket for the launch mission of Mengtian, the second lab module of China's space station, is getting ready at Wenchang Spacecraft Launch Site in south China's Hainan Province.Before its transportation to the launch pad, CGTN's Zheng Yibing had an exclusive visit to its assembly building, the biggest in Asia with a gate of over 80 meters.The assembly building was specially designed for China's largest carrier rocket Long March 5B by far, which is over 50 meters long or tall and has a core-stage diameter of five meters.The Long March 5B carrier rocket for the Mengtian mission in the assembly building. /CGTN
火箭的顶端叫作整流罩，而被火箭整流罩包裹的就是中国空间站的梦天实验舱。作为梦天实验舱的专属“座驾”，负责此次发射任务的长征五号B遥四运载火箭根据梦天实验舱的形状、重量进行了定制化设计。据中国载人航天工程办公室消息，中国空间站建造已进入收官阶段。按计划，年底前将实施梦天实验舱、天舟五号、神舟十五号飞行和神舟十四号返回等4次任务，完成空间站建造。On top of the carrier rocket is the payload of the Mengtian lab module for China's space station.Now, the rocket is ready for the mission to send the Mengtian lab module into space."The Long March 5B carrier rocket and the Mengtian lab module have finished various tests, and both are in good condition and ready to be transported to the launched site," said Zhu Xiaole, an engineer from the department of overall planning at the launch site."We are devoted to this mission. This is in line with the spirit of all those working in the aerospace system who work especially hard for the great goal of space exploration for all. And we are fulfilling our commitment," he said.This mission marks another big step in completing China's space station. Now, the flight combination is ready.
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