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China prepares to launch Chang'e-7 lunar probe_我的网站

A |     The Chang'e-7 lunar probe is scheduled for launch at an appropriate time, according to the China Manned Space Agency (CMSA).
The combination of the Chang'e-7 lunar probe and the Long March-5 Y14 carrier rocket was transferred vertically on Wednesday to the launching area at the Wenchang Spacecraft Launch Site in south China's Hainan Province, the CMSA said.
The lunar probe and rocket had arrived at the launch site in April and July, respectively, and have since completed assembly and testing. The CMSA said all facilities and equipment at the launch site are in good condition, and the functional checks, joint test and propellant filling will be carried out before the launch as scheduled.
The Chang'e-7 mission aims to achieve breakthroughs in multiple key technologies, such as high-precision soft landing on the lunar surface, legged movements, hopping and exploration of permanently shadowed craters.
According to the CMSA, the mission will employ a comprehensive detection approach, which involves orbiting, landing, roving and hopping to conduct environmental and resource surveys of the lunar south pole. It will also involve international cooperation.
。    AI摘要      福州港后铁路控制性工程大樟隧道掘进突破8000米。该隧道地质复杂，建设者通过抽排水、精准爆破及环保措施克服难题。项目建成后，将提升福州港货物集散能力，优化区域物流结构。         记者25日获悉，福州港后铁路的控制性工程大樟隧道日前取得阶段性进展，隧道掘进突破8000米大关。作为福建最长货运铁路单线隧道，大樟隧道全长约11.6公里，预计明年贯通。    大樟隧道是项目的“咽喉工程”，地质条件复杂，穿越5条断层、5条节理密集带、2条岩性接触带及1条侵入接触带，围岩破碎松散、自稳能力差，施工难度堪称在“嫩豆腐”里打洞。    面对复杂地质条件，建设者因地制宜施策。

B | 针对大帽山斜井强富水段涌水难题，项目配置6台大功率水泵全天候不间断抽排水，单日最大抽排水量达3万立方米，相当于一座20万人口县城的一天生活与公共用水总量。

C | 在特殊敏感地段，项目采取差异化管控措施：隧道进口浅埋段下穿G104与沈海高速公路，最小埋深仅8.1米，沉降控制要求高，技术团队采用机械开挖配合精准控制爆破，全程动态监测沉降数据，保障路面通行安全；隧道出口段紧邻大溪里水库二级水源保护区，项目通过多级沉淀池和一体化污水处理设备，实现泥浆资源化利用，严守生态保护红线。    作为福建省实施国家综合货运枢纽补链强链的重点项目，福州港口后方铁路建成后，将大幅提升福州港的货物集散与转运能力，进一步优化区域物流运输结构。（记者 李锦清）。

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Published on:05:27:52