Telecommunication engineer in helmet and uniform holds telecomunication equipment in his hand and antennas of GSM DCS UMTS LTE bands, outdoor radio units, optic fibers, power cables are installed on图片
点 击 查 看 大 图

Telecommunication engineer in helmet and uniform holds telecomunication equipment in his hand and antennas of GSM DCS UMTS LTE bands, outdoor radio units, optic fibers, power cables are installed on
素材ID：271670384

  • 举报
  • 格式：JPG
  • 作者：Zakhar Marunov
  • 第三方权利说明：已取得肖像权或物权授权
  • 最大分辨率：3636 x 5454px
  • 最大输出：30.78 x 46.18cm (300dpi) | 128.27 x 192.41cm (72dpi)

关键词

变送器保护网络极端光学职业攀登安全悬挂收音机高天线中国专业通信面板危险美国微波炉高度工业登山者工程师电信维护保养外部接收器外部男人网络空间行业头盔工单升级齿轮设备施工技术正在升级屋顶劳动力连接无线安装电缆

京ICP备15019536号 增值电信业务经营许可证 京B2-20210167京公网安备 京公网安备 11010502045846号 网络文化经营许可证 京网文〔2023〕2258-086号网信算备：110105951222401250011号