该铸件容易变形和产生表面缩凹、部缩孔。
The casting is easy to suffer from deformation, surface sink and internal shrinkage.
一种差速器箱体，在内表面上具有多个隔开的凹部，用来在所述凹部内接收多个侧小齿轮。
A differential case has a plurality of spaced apart recesses on an internal surface for receiving a plurality of side pinions within the recesses.
将凹部底面的颜色设定成比板表面(18)颜色的相对亮度低。
The color of the bottom surfaces of the recesses is set to brightness relatively lower than the brightness of the color of a board surface (18).
将凹部底面的颜色设定成比板表面(18)颜色的相对亮度低。
The color of the bottom surfaces of the recesses is set to brightness relatively lower than the brightness of the color of a board surface (18).
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