rocket dynamic test tower 火箭振动试验塔
rocket launching tower 发射塔
Rocket Field and Lookout Tower 火箭试验田和观光塔
rocket tower
火箭塔
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The new facility near Tongchang is far more advanced, with a 100-foot-tall launch tower and a below-ground tunnel to direct rocket exhaust.
WSJ: U.S. Warns North Korea Over Rocket Launch
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