Hot Tapping and Line Stopping Bypass 全流量塞式管道帶壓開孔封堵

塞式管道不停輸帶壓開孔、管路封堵工程、帶壓焊接三通管件、安裝夾板閥、管路開孔 Hot Tapping、管路盤式封堵阻斷、管道施工作業。
Hot Tapping and Stopple Bypass of High Pressure Pipelines, Changed Isolation valve or Pipeline Engineering Services.

Видео Hot Tapping and Line Stopping Bypass 全流量塞式管道帶壓開孔封堵 канала 全豐管道工程有限公司