This time they proved that man could work outside a spacecraft. Aldrin clambered awkwardly into the void, spending five hours photographing star fields.
续航表现同样是本次升级重点。As2 在空载状态下可连续运行超过 4 小时；在 15 kg 负载下仍可行走超过 13km。其极限速度可达 5m/s，并具备 IP54 防护等级，可在雨水、潮湿等复杂环境中工作。
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It is very easy to catch, especially if you've never had it before.