The 4-cylinder is a 16-valve DOHC design with Toyota’s VVT-i variable cam timing system, and is rated at 179 horsepower at 6000 rpm and 172 lb-ft of torque at 4000 rpm.

4缸机为16气门DOHC（双凸轮抽）设计，配备丰田VVT-i（智能正时可变气门控制系统），最大功率179hp/6000rpm(131kw/6000rpm),最大扭矩172lb-ft/4000rpm(233Nm/4000rpm).

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By optimization design on the configuration and electromagnetism parameters, the output torque can be effectively enhanced with lower moment of inertia and faster response characteristics.

通过合理设计电机的结构参数和电磁参数，可有效提高电机输出转矩，降低转动惯量，提高电机响应特性。

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The valve effectively seals at higher pressures with less closing torque than the wrench-operated design.

同扳手型设计相比，这种阀门可以在更高的压力下使用更小的转矩有效地密封。

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And thanks to the high-torque design, this will work for patients up to 300 pounds without additional harnesses or support.

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With the help of a machinist, and using a formula he concocted for a stiff, self-lubricating plastic, Fenelon built a crude prototype of the gear and found that the torque required to push the window was half of what the old design required.

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