汽车发动机活塞，所有连接到一个单一的曲轴。
In automobile engines, all pistons are attached to a single crankshaft.
采用直读光谱仪、显微硬度机、光学显微镜和扫描电子显微镜等分析手段，对失效的汽车发动机活塞连杆总成断裂原因进行了分析。
Aemission spectrometer, micro-hardometer, optical microscope and scanning electron microscope were used to analyze the reason of crack on connecting rod unit assembly for piston of car engine.
采用温度记忆螺钉法对桑塔纳汽车发动机活塞顶部与裙部温度进行了测定，分析了测试结果，并与有限元计算所得结果进行了比较。
The temperature of top and skirt of the piston of SANTANA engine is measured by using temperature memory screw, the results are analyzed, and agree with the calculated results of FEM.
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