Protective IC保护集成电路protectiveadj.保护的；防卫的protective facing护面protective solute保护性溶质； 保护剂protective tissue保护组织protective values保护性价值观protective casing保护外壳； 保险罩protective tariff保护性税则[关税]protective sleeve保护套protective tilling保护性耕作protective goggles护目镜protective earwear防噪声耳套