four-ball method meaning in Chinese

四球法

Test method for wear preventive characteristics of lubricating grease four - ball method
润滑脂耐磨损特性试验方法
Wear preventive characteristics of lubricating fluid four - ball method , method of test for
润滑液防磨性试验方法
Standard test method for wear preventive characteristics of lubricating grease four - ball method
润滑脂耐磨特性的标准试验方法
Standard test method for wear preventive characteristics of lubricating fluid four - ball method
润滑液防磨损特性的标准试验方法
Test method for measurement of extreme - pressure properties of lubricating fluids four - ball method
润滑液极压特性测量的试验方法

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