ball pressure tester

基本解釋

Their antiwear and extreme pressure properties in rapeseed oil and water were tested on the four-ball tester.
通過四球試驗(yàn)機(jī)考察了它們在菜籽油和水中的抗磨性能與極壓性能。
Their extreme pressure(EP) behaviors as lubricant additives in liquid paraffin were evaluated using a four-ball tester.
用四球摩擦機(jī)測試了其作為潤滑油添加劑在液體石蠟中的極壓性能；
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Their anti-wear and extreme pressure properties in rapeseed base oil and mineral base oil were tested on the four-ball tester.
通過四球試驗(yàn)機(jī)考察了它們在菜籽油和礦物油中的抗磨性能與極壓性能；