略語大辞典 [Ind] 20 C/B cold immersion/boiling water シービー比. 飽和係数. 建築用粘土製品の凍結性状を示す値.cold immersion/boiling water; a specification of a soil product; [Ind:Mes]. 丸善「略語大辞典」JLogosID : 11868183