The tower’s main form was a twin helix which spiraled up to 400 m/1312ft in height, where visitors would be transported around with the aid of various mechanical devices.

这座塔的主要形式由一个双螺旋盘旋至400米/1312英尺高，参观者可借助多种机械设施传至螺旋体各处。

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The tower's main form was a twin helix which spiraled up to 400 m/1312ft in height, where visitors would be transported around with the aid of various mechanical devices.

这座塔的主要形式由一个双螺旋盘旋至400米/1312英尺高，参观者可借助多种机械设施传至螺旋体各处。

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The Ni P/M steel are mixtures of soft phase and hard phase, hence improving the mechanical properties by reducing the susceptibility of breach.

含镍粉末钢是硬质相与软质相的非均质混合物，可减低粉末钢对缺口的敏感性，改善力学性能。

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now I'm really fantastic at drawing this mechanical device, but you can imagine that dropping a weight can cause a paddle wheel to turn.

机械装置的时候,我真的很着迷，你可以想象,当重物掉落的时候会带动桨轮旋转。

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There are some large companies like from where I'm from that hire mechanical engineers.

有许多像我家乡的几家大型公司，都招聘机械工程师。

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"I'm not a mechanical engineer, but I saw a way to increase output of the machine by about 50%, " he says.

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Balloon sinuplasty is the brainchild of Joshua Makower, a 42-year-old inventor who holds a trifecta of degrees: a bachelor of science in mechanical engineering from MIT, an M.

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Kaufman has a Bachelor's degree in mechanical engineering from Duke University and an M.

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