，发动
子;The camshaft rotates in phase with the crankshaft, but at half its speed.
凸轮轴和曲轴协调
, 
速度仅是曲轴的一半。
轴
曲轴；动
曲柄轴The camshaft rotates in phase with the crankshaft, but at half its speed.
凸轮轴和曲轴协调, 速度仅是曲轴的一半。
Therefore,the improvement on casting quality and adoption of the oxynitriding are efficiant means to increase,fatigue life of the crankshaft.
因此,改善铸造质量并采用氧氮化是提高曲轴疲劳寿命的有效手段。
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false
