【化】 intermediate crude
between; centre; middle; midst; midway
【化】 meso-
【医】 inter-; meso-
【经】 medium
base; basic; foundation; key; primary; radix
【化】 group; radical
【医】 base; basement; group; radical
base oil; crude oil
【化】 crude oil; crude petroleum; mother oil
【经】 base oil; crude; crude oil; petroleum; raw crude; raw oil
