该系统是特别特别，因为它能够提高功率和扭矩，同时降低油耗和排放。
The system is particularly special because it is able to increase power and torque while reducing fuel consumption and emissions.
发动机采用可变气门正时技术可以提高进气充量，使充量系数增加，发动机的扭矩和功率可以得到进一步的提高。
Engine using variable valve timing technology can improve the intake charge, so that coefficient of charge increase, engine torque and power can be further improved.
涡轮增压发动机的最大优点是它可在不增加发动机排量的基础上，大幅度提高发动机的功率和扭矩。
Turbocharged engine of the biggest advantages is that it can not increase in engine displacement on the basis of the substantial increase in engine power and torque.
为此，对一部分解放牌侧置气门汽油机的燃烧室改造为球形，提高压缩比到7.2：1，并改进进气系统，从而使功率、扭矩和燃油经济性都有所提高。
So we improve the old truck gasoline engine with side valve by raising its compression ratio to 7.2: 1 by using partial spherical chamber. The intake system is also improved.
为此，对一部分解放牌侧置气门汽油机的燃烧室改造为球形，提高压缩比到7.2：1，并改进进气系统，从而使功率、扭矩和燃油经济性都有所提高。
So we improve the old truck gasoline engine with side valve by raising its compression ratio to 7.2: 1 by using partial spherical chamber. The intake system is also improved.
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