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R&D of wind turbines has been a hot and difficult point in energy technology field.
高效而可靠的风力发电机的研究与开发已经成为能源技术领域的热点和难点。
youdao
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D ray, if you wind, I will drizzle into sentimental.
丁风一缕如果是你，我会化成多情小雨。
youdao
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D ray, if you wind, I will drizzle into sentimental.
丁风一缕如果是你，我会化成多情小雨。
youdao