混凝土的二十八天龄期强度
strength of concrete at twenty eight days
十二、十八伯胺
dodecyl-and octadecyl primary amines
十二度二部复对位
Double counterpoint in the twelfth
N-正－二十二碳酸基－2-氨基－正－二十烷－1
N-n-docosanoyl–2-amino-n-eicosane-l
八度二部复对位
Double counterpoint in the octave
八十二银行
2-Hydroxypropyltrimethyl ammonium chloride chitosan(HACC
hachijuni bank