V-shape block location V形块定位
This paper analyzes emphatically the feature that the workpiece is located on the V-shape block by outside column surface, and discusses relation of rotor line between outer circle generatrix.
分析工件以外圆柱面在V形块上定位的特点，明晰工件回转轴线和外圆母线之间的关系。
Tom has machined the second cylinder head flat, and now the block is beginning to take on the "V" shape.
汤姆加工第二缸盖持平，而现在该区块已开始采取的“V”字形状。
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