- fall velosity
- скорость падения частиц в жидкости
English-Russian mining dictionary. 2015.
English-Russian mining dictionary. 2015.
SoundSpel — is an English language spelling reform proposal. Its origins date back to 1910. [Rondthaler,Edward, [http://www.spellingsociety.org/news/pvs/pv8rondthaler.php#back Personal View 8 (Background of the Notation)] , www.spellingsociety.org, accessed… … Wikipedia