Physics · Highway Engineering
लचीले फुटपाथ (flexible pavement) की सबसे निचली घटक परत को क्या कहा जाता है?
- 1बेस कोर्स (Base course)
- 2सब-ग्रेड (Sub-grade)✓
- 3बेस (Base)
- 4सब-बेस (Sub-base)
सही उत्तर देखें
सब-ग्रेड (Sub-grade)
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