Computer · Highway Engineering
बिटुमेन के ग्रेड के लिए '80/100' पदनाम क्या दर्शाता है?
- 1पेनेट्रेशन ग्रेड (Penetration grade)✓
- 2अवशिष्ट ग्रेड (Residual grade)
- 3कटबैक ग्रेड (Cutback grade)
- 4ब्लोन ग्रेड (Blown grade)
सही उत्तर देखें
पेनेट्रेशन ग्रेड (Penetration grade)
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