常見例句雙語例句The invention belongs to the field of ultra-precision processing of hard and brittle crystal materials and relates to a corroding agent for detecting damage of a surface layer of a sapphire substrate.本發(fā)明屬于硬脆晶體材料超精密加工領(lǐng)域，涉及一種用于檢測藍(lán)寶石基片表面層損傷的腐蝕劑。ip.com 返回 corroding agent