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Major high-tech expo opens in Southwest China

Xinhua | Updated: 2022-11-17 10:17
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China's homegrown TP500 unmanned freighter is on display at the 10th China (Mianyang) Science and Technology City International High-Tech Expo in Mianyang, Southwest China's Sichuan province, Nov 16, 2022. [Photo/Xinhua]
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