etchplain वाक्य

उदाहरण वाक्य

1. Julius B�del did develop the concept further in the second half of the 20th century but did never use the term etchplain.
2. The term etchplain or etched peneplain was originally coined to describe surfaces in East Africa by E . J . Wayland in 1933 and Bailey Willis in 1936.