The result shows that the method has some advantage such as simple craftwork,operate safely,good graining effect and the particle size easily control.

 
  • 結果表明:該方法具有工藝簡(jiǎn)單、操作安全、?;Ч眉傲6瓤刂品奖愕葍?yōu)點(diǎn)。
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