2楼
功率，电压，电流，防护等级，
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3楼
电气的东西还是很多的，楼主要注意了。
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4楼
电气的东西还是很多的，楼主要注意了。
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5楼
功率，电压，电流，防护等级，
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6楼
可以用专业的询价软件，比如电老虎，电气云等。
如果型号等都知道，可以用众镖APP，直接询价，商家报价就可以详谈交易
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7楼
耐受电压，额定电流，动作电流，防护等级
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8楼
感谢分享，值得学习
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9楼
电气要注意的东西多了，不好一两句说清吧
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10楼
谢谢分享
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11楼
谢谢分享
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