?电机碳刷
电机损耗 loss of machine 电机碳刷 carbon brush for electric machine; motor carbon 电机效率 electric efficiency; electrical efficiency ..
?石墨电刷
... carbon bronze 碳青铜 carbon brush for electric machine 石墨电刷 carbon brush 碳刷 ...
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。