Mr Lemmens said that future spacecraft "should be designed in such a way that they can take themselves out of orbit safely, preferably by doing controlled re-entries".
���f�B�A�ꗗ | ����SNS | �L���ē� | ���₢���킹 | �v���C�o�V�[�|���V�[ | RSS | �^�c���� | �̗p���� | ������。业内人士推荐快连下载安装作为进阶阅读
Последние новости，详情可参考WPS下载最新地址
ВсеОбществоПолитикаПроисшествияРегионыМосква69-я параллельМоя страна