,' and 'expel,' meaning to drive or push. Interestingly (at least to a word nerd like me), another Latin root--and sort of a companion-- can be seen in words like 'propulsion,' 'compulsion,' 'repulsion,' and 'expulsion,' with 'puls'as the recognizable form of the Latin root....
agress root gress根[translate] awhere 1 and 2 are the shell-side and tube-side heat transfer coefficients,do and di are the outer and inner tube diameters, Rs and Rt are fouling resistances on the tube and shell sides, and kw is the tube wall thermal conductivity. 那里1和2是壳边和管...