SS3B型电力机车中FZJ担负着各种故障保护环节的恢复功能。
参考答案:对
The little girl stood there, not knowing what to do, ________ by what she had seen. [ ]
A. terrified
B. terrifying
C. being terrified
D. was terrified
根据我国商标法,下列商品中必须使用注册商标的是()。
A、核磁共振治疗仪
B、墙壁涂料
C、无糖饮料
D、烟丝制品