单选:距接地体处的跨步电压变化距离()。A.10m以外为0;B.越接近接地处越大,越远则越小,20m远时为0;C.30m以外为0;D.5m以内最小 题目分类:电力负荷控制员 题目类型:单选 查看权限:VIP 题目内容: 距接地体处的跨步电压变化距离()。A.10m以外为0;B.越接近接地处越大,越远则越小,20m远时为0;C.30m以外为0;D.5m以内最小。 参考答案:
Which of the following is NOT a suitable pre-reading activity?A.Demonstrating sk Which of the following is NOT a suitable pre-reading activity?A.Demonstrating sk 分类:电力负荷控制员 题型:单选 查看答案
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根据提供的信息和语言素材设计教学方案。用英文作答。设计任务:请阅读下面学生信息和语言素材,设计一节听力课的教学方案。教案没有固定格式.但须包含下列要点... 根据提供的信息和语言素材设计教学方案。用英文作答。设计任务:请阅读下面学生信息和语言素材,设计一节听力课的教学方案。教案没有固定格式.但须包含下列要点... 分类:电力负荷控制员 题型:单选 查看答案