NJ07型列车单个受电弓半弓打叉,确认DDU上故障受电弓单元辅助逆变器状态。若辅助逆变器工作状态正常,DDU显示SIV通讯故障,则清客下线。
参考答案:错
The jeans _____ fit for me, maybe, the pair of jeans _____fitter for me.[ ]
A.are; are
B.is; is
C.is ;are
D.are; is
科学事实与经验事实和客观事实的区别是什么?