Half-rotating blade wheel vertical axis wind turbine is a high efficiency vertical axis wind turbine which utilizes half-rotating mechanism to make up blade wheels.

半转叶轮立轴风力机是利用半转机构构成叶轮一种高效立轴风力机。

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Finally seen close up in season 4, the knife resembles an antler handled K-Bar with runes etched into the blade.

这把刀最后一次出现是在第4季中的一个特写镜头：刀看起来像是用k - Bar牌子的刀，以鹿角作刀柄，刀身上刻有古代北欧文字。

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The hard bone has dulled up the knife blade.

这硬骨头把刀刃弄钝了。

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With Bravo opening up his blade with two huge sixes, Graeme Swann was unlucky not to have him stumped in his first over but the West Indian's fortune quickly ran out.

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The blade then came up, ready for its next chicken.

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It's a matter of how much water to put down and how much blade: how chewed up it is.

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