Computer · Highway Engineering
वाटर-बाउंड मैकाडम (WBM) सड़कों में, उपयोग की जाने वाली बंधन सामग्री (binding material) है:
- 1बिटुमेन
- 2सीमेंट
- 3पत्थर की धूल (Stone dust)✓
- 4रेत
सही उत्तर देखें
पत्थर की धूल (Stone dust)
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