垂直接地主干线（Vertical Reise，VR）

pwm

  <span style="FONT-SIZE: 10&#46;5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12&#46;0pt; mso-font-kerning: 1&#46;0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;&nbsp;&nbsp; 垂直接地主干线（</span><span lang="EN-US" style="FONT-SIZE: 10&#46;5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12&#46;0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1&#46;0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">Vertical Reise</span><span style="FONT-SIZE: 10&#46;5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12&#46;0pt; mso-font-kerning: 1&#46;0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">，</span><span lang="EN-US" style="FONT-SIZE: 10&#46;5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12&#46;0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1&#46;0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">VR</span><span style="FONT-SIZE: 10&#46;5pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 12&#46;0pt; mso-font-kerning: 1&#46;0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">，垂直接地汇集线）是一组在电信设备和主接地端子间提供工程低电阻路径的垂直导体，垂直贯穿于通信局（站）建筑体各层楼的接地主干线。</span>