one-piece crankshaft

基本解释

The crankshaft is a one-piece casting or forging of heat treated alloy steel of considerable mechanical strength.
曲轴是由合金钢铸造或锻造，经过热处理，具有一定的机械强度的整体结构。
The machine body and cylinder are made of the high-strength alloy cast iron, fixed one-piece forged steel crankshaft.
机体、气缸盖采用合金铸铁，强化程度高，采用整体锻钢曲轴，滑动轴承，体积小重量轻，可靠性高；
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The drive gears are involute type gears which allow smooth operation, high efficiency and long life. The crankshaft is a hollow one-piece steel casting.
动力端传动齿轮为渐开线齿型，运转平稳、效率高、寿命长。
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