powered-flight phase 主动段
powered flight phase
动力飞行阶段
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It was designed to climb about 40km (25 miles) into the sky during the powered phase of its two-minute flight.
BBC: Nasa rocket launches successfully
应用推荐
模块上移
模块下移
不移动