oil hole orientation是什么意思

用法例句

According some molds repair need location by location hole,because time cost long that adjust location hole location in CNC machine,and location accuracy is low.

对于一些要以定位孔定位,进行修理的模具,由于调整定位孔在加工中心上的位置所花的时间长,并且定位精度低。