摘要
气缸盖是柴油机中一个十分重要的部件，其中进、排气道性能的好坏直接关系到油气进入的方向及混合情况，直接影响发动机功率、起动速度、排放乃至整机性能：本文介绍了UG在柴油机气道设计及相关模具CAD设计中的应用。
Abstract
Diesel engine cylinder head is a very important component, which inlet.exhaust performance will have a direct bearing on the direction of oil and gas and mixed into the situation, a direct impact on engine power, start-up speed, emissions and the machine
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