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。
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