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1999年 11月 2 0日 ,我国第一艘载人试验飞船“神舟号”安全升空 ,遨游太空 2 1小时后 ,成功返回地面 ,我国的航空航天事业又创辉煌。杭州制氧机集团公司制造的为飞船离地时提供动力和保护气的 40 0ｋｇ/ｈ空分设备 ,以其高性能为“神舟号”的发射成功提供了必要条件。实际测定
On November 20, 1999, China’s first manned spacecraft, “Shenzhou,” was safely launched and returned to the ground 21 hours after traveling in space. China’s aerospace cause has also created a brilliant future. The 400kg / h air separation plant manufactured by Hangzhou Oxygen Group Corporation for providing power and shielding gas when the ship left the ground provided the necessary conditions for the successful launch of the “Shenzhou” with its high performance. Actual measurement