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气相对湿度不大于85%; (4) 振幅不大于0.5mm,频率不大于每分钟600次的振动;(5) 与垂直面的斜度不超过5° (6) 在无爆炸危险的介质中,且介质中无足以腐蚀金属和破
http://blog.alighting.cn/wldqylq/archive/2010/6/22/51901.html2010/6/22 16:52:00
http://blog.alighting.cn/wldqylq/archive/2010/6/22/51902.html2010/6/22 16:52:00
供应evS-160A真空接触器 evS-160A真空接触器适用于交流50hz,额定电压1140v,额定电流至160A的电力系统中,供直接或远距离接通和分断主电路中用。并适用于各
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