The adoption of the tool in the structure for working inner sphere is easy in manufacture, working as well as radius adjustment, and high in working accuracy.
采用此种结构的刀具加工内球面，易于制做、加工半径易于调整、加工精度高。
The adoption of the tool in the structure for working inner sphere is easy in manufacture, working as well as radius adjustment, and high in working accuracy.
采用此种结构的刀具加工内球面，易于制做、加工半径易于调整、加工精度高。
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