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【单选题】
机电传动系统处于静态或稳态时，电机转矩T M 与负载转矩T L 之间的关系是（）A.
T M =T L
B.
T M 〉T L
C.
T M 〈T L
D.
T M ≠T L
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反馈参考答案：
举一反三
【单选题】Officials working behind the ______ urged them to avoid further confrontation.
A.
scenes
B.
sights
C.
views
D.
scenery
【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】Some foreign government officials working in China commented that Chinese people never knew to rest.
A.
正确
B.
错误
【单选题】The government officials met the workers and engineers working on the stadium, most _______ were migrant workers. [ ]
A.
of which
B.
of who
C.
of whom
D.
of them
【单选题】The organization has been working with local authorities as well as regional government and officials to the problem of climate.
A.
relate
B.
file
C.
tackle
D.
attach
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