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The influence of the variable ratio on the slip and contact stress is also discovered.
揭示了速比变化比值对齿面滑移及齿面接触应力特性的影响。
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An electronic controlled system with variable EGR ratio is built.
建立了一种排气再循环变egr率控制系统。
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An electronic controlled system with variable EGR ratio is built.
建立了一种排气再循环变egr率控制系统。
youdao