【化】 primary reference fuel; primary standard fuel
first; firstly; primary
【医】 arch-; arche-; eka-; prot-; proto-
【经】 no 1
join; refer
compare; compete; ratio; than
【医】 proportion; ratio
【经】 Benelux; benelux customs union; benelux economic union
fuel
【化】 fuel
【医】 fuel