In the meantime, we still need four bales of cotton for our t-shirts.
在此期间，我们的T恤衫仍然需要4捆棉布。
In the meantime, the helical vortex rope in draft tube is analyzed by t...
本文还根据计算结果分析了尾水管内非定常涡带产生和传播的原理。
In the meantime, the helical vortex rope in draft tube is analyzed by t...
本文还根据计算结果分析了尾水管内非定常涡带产生和传播的原理。
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