The bell of the motor nozzle, which was machined from a single piece of steel, is visible at the aft end of the rocket.
钟的发动机喷管，这是加工从单一的一块钢，可见在尾部结束火箭。
The bell of the motor nozzle, which was machined from a single piece of steel, is visible at the aft end of the rocket.
钟的发动机喷管，这是加工从单一的一块钢，可见在尾部结束火箭。
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