They have smoothy ,mirror finish and extremely sharp cutting edge that suitable to elctronic panel,PET.plastics and any other rough,difficult materials.是什么意思_They have smoothy ,mirror finish and extremely sharp cutting edge that suitable to elctronic panel,PET.plastics and any other rough,difficult materials.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句