摩托车曲轴箱体的壁厚与加强筋直接影响其结构强度。
The wall thickness and strengthen muscle of motorcycle crankcase box influences its structure intensity directly.
两个装有火花塞 （3）的汽缸体分别固定在汽油机曲轴箱体的两侧。
Two cylinder bodies provided with spark plugs (3) are respectively fixed at the two sides of the crankcase body of the double-cylinder gasoline engine.
以曲轴箱体为数控加工对象，讨论多工位工件坐标系的建立和零点偏置值的计算。
Uses crank box as objects in NC machining, and discusses the establishment of coordinate system and the calculation of deviation value of multiple work position workpiece.
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