Computer · Construction Engineering
बड़ी पाइपलाइनों या भूमिगत उपयोगिताओं को बिछाने के लिए मुख्य रूप से किस प्रकार की खुदाई (excavation) का उपयोग किया जाता है?
- 1खुला उत्खनन (Open excavation)
- 2खाई उत्खनन (Trench excavation)✓
- 3चट्टान उत्खनन (Rock excavation)
- 4मक उत्खनन (Muck excavation)
सही उत्तर देखें
खाई उत्खनन (Trench excavation)
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