环块 meaning in Chinese

link block

Metallic materials - wear tests block - on - ring wear test
金属磨损试验方法环块型磨损试验
Metallic materials - wear tests - block - on - ring wear test
环块型磨损试验
Study of intelligent testing system of mhk - 500 ring - block tribometer
500环块摩擦磨损试验机智能测控系统的研制
Standard test method for calibration and operation of the falex block - on - ring friction and wear testing machine
法列克司环块磨擦试验机和磨损试验机的校准和操作标准试验方法
Standard test method for ranking resistance of plastics to sliding wear using block - on - ring wear test - cumulative wear method
用环块磨损试验评定塑料滑动磨损性的标准试验方法