pebble gravel मीनिंग इन हिंदी

उदाहरण वाक्य

1. Gravel is categorized by the Udden-Wentworth scale into granular gravel ( ) and pebble gravel ( ).
2. Heathland is a threatened habitat in southern England, and this site is a good example of lowland heath on pebble gravels, with open areas which have freely draining acidic soils.