() The first of two or more surfaces arranged in tandem; -- contr. with following surface, which is the rear surface.
ADVANCING SURFACE
Meaning of ADVANCING SURFACE in English
Webster's English dictionary. Английский словарь Webster. 2012
() The first of two or more surfaces arranged in tandem; -- contr. with following surface, which is the rear surface.
Webster's English dictionary. Английский словарь Webster. 2012