【判断题】【消耗次数：1】
电气原理图中主电路用粗实线，控制电路和辅助的信号指示及保护电路用细实线。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
化工制图中图线宽度分粗、中粗、细三种，若粗实线的宽度为d，则细实线的宽度为( )。
①
Normal
0
7.8 磅
0
2
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false
false
EN-US
ZH-CN
X-NONE
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2d
②
Normal
0
7.8 磅
0
2
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mso-para-margin-bottom:.0001pt;
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mso-bidi-font-size:11.0pt;
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d
③
Normal
0
7.8 磅
0
2
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false
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ZH-CN
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mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
1/2d
④
Normal
0
7.8 磅
0
2
false
false
false
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ZH-CN
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1/4d
随机题目
【单选题】
1919年，李大钊发表的系统介绍马克思学说的文章是（ ）
①
《法俄革命之比较观》
②
《Bolshevism的胜利》
③
《我的马克思主义观》
④
《科学的社会主义》