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Anyway, raise head to smile.
不管怎样，抬起头微笑吧。
youdao
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The cavitation damage is prevented effectively in many spillway dragon-raise-head tunnels by aeration facility.
通过设置掺气设施，大多数龙抬头泄洪洞都较好地防止了空蚀破坏。
youdao
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The cavitation damage is prevented effectively in many spillway dragon-raise-head tunnels by aeration facility.
通过设置掺气设施，大多数龙抬头泄洪洞都较好地防止了空蚀破坏。
youdao