【单选题】Officials working behind the ______ urged them to avoid further confrontation.
【简答题】DPRK officials said 2000 centrifuges had been (made to start working). ____
【多选题】出现柴油机起动后有怠速没高速时处理方法()
A.
检查“怠速”与“正常运行”选择开关及配线,有问题时更换
B.
检查磁性速度传感器安装间隙,若不符合标准,进行调整。如电压低于1.5V,适量调整磁性速度传感器间隙1/8---1/4圈
C.
若调整速度传感器间隙确定无问题,应检查执行器。如配线无故障,停机后可在执行器两个接线柱上加DC24V电压,通电和断电时将发出较强的咔嚓声,声音清晰正常,动作不灵活时更换
D.
检查ESD5500系列调速控制器,如果从怠速到高速时间过长,短时间会出现无高速。此时等待速度上升(20S内),或逆时针调节SPEEDRAMPING电位器
【判断题】There are more women working as officials and managers than men.
【判断题】退火与正火的目的大致相同,它们的主要区别是保温时间的长短不同。
【单选题】The government officials met the workers and engineers working on the stadium, most _______ were migrant workers. [ ]
【单选题】The organization has been working with local authorities as well as regional government and officials to the problem of climate.