静磨擦系数 meaning in English

coefficient of static friction

Paper and board . determination of the coefficient of static friction . inclined plan method
纸和纸板.静磨擦系数测定.斜面法
Test method for coefficient of static friction of uncoated writing and printing paper by use of the inclined plane method
用倾斜面法测试无涂层书写纸和印刷纸静磨擦系数的试验方法
Standard test method for coefficient of static friction of uncoated writing and printing paper by use of the inclined plane method
用倾斜面法测试无涂层书写纸和印刷纸静磨擦系数的标准试验方法