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exllent

exllent

exllent

exllent

1

High Machining Precision : High size precision and exllent roughness can be obtained , changing from grinding operation to cutting operation.

加工精度高：可获得很高的尺寸精度和极好的表面粗糙度，实现以车代磨。

2

However, this also calls for exllent grades of professional courses , which I don't have .

这也需要相当高的专业课成绩，而这是我所没有的。

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