Computer · Tunnel Engineering
टनलिंग (सुरंग बनाने) की सुई बीम (needle beam) विधि में उपयोग की जाने वाली सुई बीम की लंबाई आमतौर पर होती है:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15 m से 6 m✓
- 26 m से 7 m
- 31.5 m से 4.5 m
- 42 m से 4 m
सही उत्तर देखें
5 m से 6 m
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