Gears - fzg test procedures - fzg test method a 8 , 3 90 for relative scruffing load - carrying capacity of oils 齿轮. fzg试验规程.有关齿轮油的抗污性的fzg试验方法a 8 3 90
Ga - cat standard practice for determination of abrasion and smudge resistance of images produced from office products ga - cat method 办公产品中图像产品耐磨性和抗污性测定标准规程
With the right care , the oiled floor will become increasingly easy to clean and more hard wearing as the natural soap protects the floor with an invisible film making the floor more resistant to dirt 随着正确的保养,木油地板将由于自然皂油赋予木地板一层无形的保护膜而更具抗污性,变得易于清洁和更耐磨。