火箭70%的重量是燃料，多带了放哪里？本身就是最大的负担。得从新设计

来源: 年轮于 2023-08-23 23:27:59 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.