juiche lin - YouTube

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球囊式阻斷、管道不停輸帶壓開孔封堵、更換閥體 - Duration: 5 minutes, 41 seconds.

200,126 views
5 months ago

異徑安裝閥門(閘閥)帶壓開孔引支線 - Duration: 3 minutes, 16 seconds.

1,796 views
5 months ago

安裝溫度計外套管Installation Thermometer - Duration: 3 minutes, 21 seconds.

961 views
1 year ago

球型三通管件帶壓開孔引支線 - Duration: 2 minutes, 31 seconds.

20,909 views
4 years ago

Hot Tapping and Line Stopping 塞式管道不停輸帶壓開孔封堵 - Duration: 3 minutes, 1 second.

7,880 views
4 years ago

Hot Tapping and Line Stopping 筒式管道不停輸帶壓開孔封堵 - Duration: 3 minutes, 1 second.

233,385 views
4 years ago

安裝閘閥帶壓開孔引支線 - Duration: 111 seconds.

1,656 views
4 years ago

不加裝閥門帶壓開孔引支線 - Duration: 2 minutes, 1 second.

1,481 views
4 years ago
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