坐骨切迹宽度为坐骨结节与骶骨下部间的距离。
参考答案:错
That the United States attempted to force RMB to be revalued was out of political
other reasons.
A.better than
B.less than
C.more than
D.rather than
遥信误动的主要原因有()。
A、远动终端设计有缺陷,保护环节不可靠;
B、断路器机构失灵,远动出口继电器触点粘住;
C、遥控执行盘质量不佳,出口继电器质量不稳定;
D、温度变比。