变压器二次侧不带负载，一次侧与电网断开时的调压称为无励磁调压。
参考答案：对
The foreign teacher Mr. Halt has a strange way of writing. Here's a notice from him, but no clear _____ of
what he has written can be made at all. [ ]
A. explanation
B. meaning
C. idea
D. sense
1．简述材料质量控制要点。 2．简述施工总平面图设计的步骤。 3．简述施工现场临时用电的配置。 4．施工过程中如何处理噪声扰民问题 5．筏板基础的施工要点和要求有哪些
