耗能型缓冲器动作后靠()进行复位,复位的时间不大于()S。
参考答案:复位弹簧;120
— day is it today? —Tuesday.[ ]
A. Who
B. What
C. Where
Nancy hasn't begun working on her P.H.D, _____ working on her master's. [ ]
A. still because she is yet
B. yet as a result she is still
C. yet because she is still
D. still while she is already