主要介绍8170zc系列柴油机排气管的改进过程，并对几种排气管的性能进行对比。
The article mainly introduces the improvement process of 8170zc diesel engine exhaust manifold and compares the 8170zc exhaust manifold with other exhaust manifolds.
柴油机排气管上包裹了高效的隔热套，对排气管起到隔热和防护的作用，避免人体被烫伤。
The diesel engine exhaust pipe is packed with high efficient insulation jacketing, which can play the effect of insulation and protection, and avoid body burns.
文中对柴油机脉冲增压系排气管中排气脉冲的形成过程作了简单明确的说明。
A succinct explanation on the process of the formation of exhaust impulse in exhaust pipe of a diesel engine with pulse system is made.
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