final-stage rocket
常见例句
- The Shenzhou-VII mission entered the countdown stage after the final check on the spacecraft, the carrier rocket and the ground operation system was completed Tuesday morning.
在對飛船進行最後檢查之後,神舟七號計劃進入倒計時堦段。 周二早上,運載 火箭和地麪操作系統已完成對接。
edu.sina.com.cn 返回 final-stage rocket