BCH-1型差动继电器带有一个()线圈,躲过()的能力较好。
参考答案:制动;区外故障不平衡电流
急性重度再生障碍性贫血的骨髓()
A.增生极度减低
B.增生减低
C.增生活跃
D.增生明显活跃
E.增生极度活跃
The roof fell before he had time to ________ the room to save his baby. [ ]
A. dash off
B. dash into
C. dash out
D. dash up