As shoot often happens near forbidden zone, and forbidden zone lines in a long-view shot can be detected to find forbidden zone, which can help shoot event detection.
射门事件通常是在禁区附近发生的，本文通过检测禁区线实现对禁区的检测，从而辅助射门事件的检测。
Blowout preventing lines shall be connected by threads and standard flanges, and on site welding is forbidden. Field welding is not permitted.
防喷管线应采用螺纹与标准法兰连接，不允许现场焊接。
Blowout preventing lines shall be connected by threads and standard flanges, and on site welding is forbidden. Field welding is not permitted.
防喷管线应采用螺纹与标准法兰连接，不允许现场焊接。
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