A numerical simulation is presented for 3-d filling progress of engine cylinder head casting.
应用数值模拟的方法研究了发动机缸盖铸造的三维充型过程。
Remove the engine cylinder head from the cylinder block (refer to cylinder head removal in this section).
从汽缸体拆下引擎汽缸盖（请参阅本部分之汽缸盖拆卸）。
In order to reduce the cost of the diesel engine cylinder head cover, the panel substituted the original aluminum cast part.
为了降低柴油机气缸盖罩的成本，使用板件替代原先的铸铝件。
This paper analyses the properties of the excitation and response of an engine cylinder head system and establishes the vibration model of the cylinder head system.
对内燃机缸盖系统的振动激励及表面振动信号的特性进行分析，建立了缸盖系统的振动模型。
The lifting wavelet package transform based on interpolating subdivision was introduced. The engine cylinder head vibration signal's time-frequency characteristics were analyzed.
分析了移动装备发动机缸盖振动信号的时频特性，介绍了插补细分提升小波包变换算法。
This paper introduces the technology and equipment of machining the engine cylinder head of Charade sedan after technical modification to adapt to the production in large batches.
为适应轿车的大批量生产，介绍夏利轿车发动机汽缸盖生产线在进行技术改造后的加工工艺和设备。
Research has believed that veining in admission and exhaust passage of diesel engine cylinder head may mainly be caused by crack of sand core occurring in high temperature phase change expansion.
研究认为，柴油机气缸盖进、排气道脉纹的产生主要是由硅砂高温发生相变膨胀导致砂芯开裂引起的。
In order to on-line process engine cylinder head vibration signals of mobile equipment, a de-noising method with gradual changing threshold based on lifting wavelet package transform was proposed.
为了实现移动装备发动机缸盖振动信号的在线处理，提出一种基于提升小波包变换的渐变式阈值降噪方法。
In order to on-line process engine cylinder head vibration signals of mobile equipment, a de-noising method with gradual changing threshold based on lifting wavelet package transform was proposed.
为了实现移动装备发动机缸盖振动信号的在线处理，提出一种基于提升小波包变换的渐变式阈值降噪方法。
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