;
轮;The camshaft rotates in phase with the crankshaft, but at half its speed.
凸轮
和曲协调旋转, 但速度仅是曲的一半。
；动
机曲柄The camshaft rotates in phase with the crankshaft, but at half its speed.
凸轮和曲协调旋转, 但速度仅是曲的一半。
Therefore,the improvement on casting quality and adoption of the oxynitriding are efficiant means to increase,fatigue life of the crankshaft.
因
,
铸造质量并采用氧氮化是提高曲疲劳寿命的有效手段。
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