pinion oil seal

用法例句

As the subordinate system of Schwing BP250HDE-25 Concrete Pump uses large power motor generator to drive the pinion oil pump,its parts could be easily damaged with high maintenance fees and unfavorable maintaining conditions.

文章通过对施维英BP250H D E-15型混凝土输送泵辅助系统利用大功率电机带动小齿轮油泵容易损坏部件、修理成本高、不利于维修等几方面问题的阐述,并通过理论验算进行了验证,说明技术改造方法具有可行性、经济性等优点。