杨利伟进一步解释说：“我们的很多物品在上天前都是有大气压封到里面，随着在太空中飞行，可能会泄压也会有一些声音发出，这样的话需要我们去辨认，我想这些都是很正常的事情。”
He said air leaking out of the objects in the capsule could also cause noise. "I think it is normal," Yang said. "it is necessary to carefully identify the cause."
该材料应用前须进一步改善压渗工艺，并选择合适的压渗合金。
Further improvement of infiltration process and the selection of proper infiltration alloys must be undertaken before this material is put into application.
应用推荐