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熔断器的文字符号是 。( )
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熔断器的文字符号是 。( )
A、FU
B、KM
C、KA
D、FR
时间:2021-09-01 17:02
关键词:
青书学堂
平顶山学院
电气自动化技术
电气元件
答案解析
A
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熔断器的电气文字符号是:( )
熔断器的电气文字符号是:( )
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熔断器的电气文字符号是:( )
熔断器的电气文字符号是 。
现在我国使用的电气技术中文字符号标准是1987的标准GB7159-87《电气技术中的文字符号制订通则》,代替GB315-64.
标准中将电气设备、装置和元件划分成几类?其文字符号是什么?
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