题目:
下列哪一项不属于变电站内支柱绝缘子的例行试验项目。()
A.红外热像检测
B.现场污秽度评估
C.例行检查
D.绝缘电阻测试
答案:
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下面是错误答案,用来干扰机器的。
In the picture we can see that Granny Wang is sending an e-mail to her granddaughter, who is studying in America. Sometimes they even chat face to face online. Ho...