phosphate crown glass वाक्य
"phosphate crown glass" हिंदी में phosphate crown glass in a sentenceउदाहरण वाक्य
- Values of " V " range from below 25 for very dense flint glasses, around 34 for polycarbonate plastics, up to 65 for common crown glasses, and 75 to 85 for some fluorite and phosphate crown glasses.