The working principle and structure characteristics of VTC-90 vertical turbine classifier were analyzed.

分析了VTC - 90立式涡轮分级机的工作原理和结构特点。

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Vertical turbine pumps (equivalent to Process Systems Thrust Head) have proven cost effective due to the ease of maintenance and long service life.

垂直涡轮泵(相当于系统过程推动头)由于易于维修和较长的使用期限已被证明是节省成本的。

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The authors suggest that the turbulence generated by the turbine rotors, which can enhance the vertical mixing of warm and cold air, leads to the observed effect.

作者认为，通过涡轮转子所产生的动荡，这可以提高冷暖空气的垂直混合，导致所观察到的效果。

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Over the past five years the Russians developed a prototype of a vertical axis wind turbine with an innovative airfoil that enables the turbine to self-start.

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Flavio Radice, the boss of Pietro Carnaghi, a tool maker in Busto Arsizio, north of Milan, says he and his designers regularly use their video-telephone link to pore over plans with customers for the huge vertical-milling machines his firm makes for turbine builders.

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