... contact tube 导电管 contact wear and life 触点磨损和寿命 contact wheel 接触轮 ...
双语例句
1
The test indicates that contact fatigue lifeandwear resistance of surface quenched casting steels and Bainite quenched spherical cast iron are increased largely.
试验表明：经过表面淬火的铸钢和经过贝氏体淬火的球墨铸铁，其接触疲劳寿命和耐磨性大幅度提高。
2
The results show that nitrogen has remarkable influences on rolling contact fatigue lifeand plain strain fracture toughness, and little influences on wear resistance.
结果表明，含氮量对滚动接触疲劳寿命及平面应变断裂韧性具有很显著的影响，而对耐磨性影响很小。
3
Results show that silver deposits are greatly improved in wear resistance and service life of electric contact.