The x axis is positive in the right direction, while the y axis is positive in the downward direction (again, this is in contrast to its traditional upward direction).

x 轴在右边为正值，但是 y 轴在下方为正值（这与传统的上方为正值相反）。

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In a side view, the axis (c) of the crankshaft (28) is offset upward from the center line (a) of the cylinder.

当从侧向看时，曲轴(28)的轴线(C)从气缸的中心线(A)向上偏移。

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