北京鸿二雁电器有限公司 官网
www.hongyan-ele.com
| description | 北京鸿二雁电器有限公司始终为客户提供好的产品和技术支持、健全的售后服务，拥有许多优质的客户，通过不断为客户提供各种特色服务，来满足客户的各种要求，从而创造更多的价值。 |
| keywords |
北京鸿二雁电器有限公司 |
| introduction |
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| update time | 2024-12-25 16:10:57 |
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text: 宝安高防护LED格栅屏怎样选户外LED格栅屏装置的留意事项：1、显示屏及建筑物上装置避雷装置。显示屏主体和外壳坚持杰出接地，接地电阻小于3欧姆，使雷电引起的大电流及时泄放；显示屏可能会遭到雷电引起的强电强磁突击。2、留意防水：L ......
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- 宝安高防护LED格栅屏怎样选户外LED格栅屏装置的留意事项：1、显示屏及建筑物上装置避雷装置。显示屏主体和外壳坚持杰出接地，接地电阻小于3欧姆，使雷电引起的大电流及时泄放；显示屏可能会遭到雷电引起的强电强磁突击。2、留意防水：L ...... 1 / 1
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