A mechanic was removing a cylinder-head from the motor of a Harley motorcycle when he spotted a well-known cardiologist in his shop.
一位机械师正把气缸盖从一辆哈利摩托车的马达里移出，这时，他瞅见店里来了一位有名的心脏病专家。
The relationship between calcium stearate and sand core as well as casting quality of cylinder head of diesel engine for example is analyzed.
同时，以柴油机缸盖砂芯和铸件为例，分析了硬脂酸钙与砂芯和铸件品质的关系。
The results show that the cylinder head operates reliably and the measured temperatures well agree with numerical results, which prove the effectiveness of the cylinder head design method presented.
试验证明，该气缸盖工作可靠，测量的温度与计算的温度基本吻合，证明了气缸盖设计方法的有效性。
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