CRH1E型动车组轴箱轴承压盖固定螺栓紧固力矩为()N•m。
A.70
B.80
C.90
D.100
参考答案:C
Read. Tick or cross. 读一读,打“√”或“×”。
( ) 1. In the morning, I eat breakfast.
( ) 2. At noon, I eat supper.
( ) 3. I eat lunch in the morning.
( ) 4. I eat supper at school with my family.
( ) 5. I play badminton with my friend.
( ) 6. I learn Chinese, English and math at school.
A.调台灯亮度的装置
B.调收音机音量大小的电位器
C.调收音机频道的装置
D.调节电动车速度的装置