所设计的两种珩磨工具具有刚性好、切削效率高、易于操作等特点，有着良好的实用价值。
The two kinds of honing tools in the article have the good rigidity, high cutting efficiency, at the same time, they are easy to operate and have the good practical value.
所设计的两种珩磨工具具有刚性好、切削效率高、易于操作等特点，有着良好的实用价值。
The two kinds of honing tools in the article have the good rigidity, high cutting efficiency, at the same time, they are easy to operate and have the good practical value.
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