断路器处于热备用状态,视为运行状态。
参考答案:对
The deadline for applications is 30 April. Do you think you can ______ it?
A.set
B.reach
C.grasp
D.meet
我国的《公路沥青路面再生技术规范》建议水泥等活性填料一般不超过()
A.1%
B.1.5%
C.2%
D.2.5%