Its lubrication properties in water were evaluated using a four-ball machine.
利用四球试验机考察了水溶性抗磨剂在水中的润滑性能。
Their antiwear and extreme pressure properties in rapeseed oil and water were tested on the four-ball tester.
通过四球试验机考察了它们在菜籽油和水中的抗磨性能与极压性能。
The tribological properties and the anti-wear of micron coppers inside greases were investigated by four-ball test.
通过四球试验,考察了软金属微米铜粉在润滑脂中的摩擦学行为和抗磨性。
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