
This screen image captured at Beijing Aerospace Control Center on March 16, 2026 shows Shenzhou-21 astronauts performing extravehicular activities (EVAs) outside China's orbiting space station. The Shenzhou-21 crew aboard China's orbiting space station completed their mission's second series of EVAs on Monday, according to the China Manned Space Agency (CMSA). The astronaut trio -- Zhang Lu, Wu Fei and Zhang Hongzhang -- worked for roughly seven hours and completed their tasks at 7:35 p.m. (Beijing Time), assisted by the space station's robotic arm and a team on Earth. The trio completed the installation of a space debris protection device for the space station along with other tasks. Zhang Lu and Wu Fei, who have conducted spacewalk operations, returned to the Wentian lab module safely, according to the CMSA. (Photo by Zhang Fan/Xinhua)
BEIJING, March 16 (Xinhua) -- The Shenzhou-21 crew aboard China's orbiting space station completed their mission's second series of extravehicular activities (EVAs) on Monday, according to the China Manned Space Agency (CMSA).
The astronaut trio -- Zhang Lu, Wu Fei and Zhang Hongzhang -- worked for roughly seven hours and completed their tasks at 7:35 p.m. (Beijing Time), assisted by the space station's robotic arm and a team on Earth.
Zhang Lu has so far carried out six EVAs, making him one of the Chinese astronauts with the most spacewalks to date.
The trio completed the installation of a space debris protection device for the space station along with other tasks. Zhang Lu and Wu Fei, who have conducted spacewalk operations, returned to the Wentian lab module safely, according to the CMSA.
Since completing the first series of EVAs on Dec. 9, 2025, the Shenzhou-21 crew has carried out equipment inspection and maintenance, environmental monitoring, and health management aboard the space station. The crew members have also conducted in-orbit training exercises, including rendezvous and docking, medical rescue, and emergency lifesaving.
The scientific experiment and test projects they undertook, covering space life science and human research, microgravity physics, and new space technologies, have been progressing steadily. They also celebrated the Spring Festival in Year of the Horse while in orbit.
The CMSA said the three astronauts have been working in orbit for more than four months. According to the mission plan, additional EVAs will be carried out by the crew during the Shenzhou-21 mission, with relevant scientific experiments and technical tests continuing as scheduled.

This screen image captured at Beijing Aerospace Control Center on March 16, 2026 shows Shenzhou-21 astronauts performing extravehicular activities (EVAs) outside China's orbiting space station. The Shenzhou-21 crew aboard China's orbiting space station completed their mission's second series of EVAs on Monday, according to the China Manned Space Agency (CMSA). The astronaut trio -- Zhang Lu, Wu Fei and Zhang Hongzhang -- worked for roughly seven hours and completed their tasks at 7:35 p.m. (Beijing Time), assisted by the space station's robotic arm and a team on Earth. The trio completed the installation of a space debris protection device for the space station along with other tasks. Zhang Lu and Wu Fei, who have conducted spacewalk operations, returned to the Wentian lab module safely, according to the CMSA. (Photo by Zhang Fan/Xinhua)
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Husillo de baleros con ranura(或 “Splina de bolas”) Splina de bolas de precisión micrométrica Eje con bolas y ranuras(Eje ranuras) Splina de bolas estándar Splina de bolas de alta carga
شفت بالداخلية المُشعبة
شفت الداخلية المُشعبة عالية الدقة
محور مع مُشعبات
شفت المُشعبة المعياري الدولي
شفت المُشعبة الخفيفة التحميل
Rosca spline de bolas Splina de bolas de rolagem Eixo com bolas e splines Splina de bolas padrão Splina de bolas industrial Splina de bolas de precisão alta
Шарнирный шпиндель с пазами Шарнирный шпиндель с пазами военного стандарта Шпиндель с bolas и пазами Шарнирный шпиндель с пазами высокой нагрузки Шарнирный шпиндель с пазами легкой нагрузки
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Kugelspline Kugelspline für Automobilbau Kugelspline standard Präzisions-Kugelspline Hochlast-Kugelspline
Spline à billes Spline à billes aéronautique Arbre avec billes et splines Spline à rouleaux de billes Spline à billes standard Spline à billes à faible charge
สปไลน์บอล สปไลน์บอลความแม่นยำสูง บอลสปไลน์ สปไลน์บอลมาตรฐานสากล ส่วนสปไลน์บอล สปไลน์บอลรับน้ำหนักสูง
Spline có hạt Spline có hạt độ chính xác cao Hạt spline Spline hạt lăn Spline hạt tải nhẹ
볼 스플라인 산업용 볼 스플라인 볼스플 초정밀 볼 스플라인 자동차용 볼 스플라인