单宁酸是什么?

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/11 23:24:06
xXR~/g5q.On ɂ*lkIj]]@`Ւлʯ4bV9|+n~؍Y2p3K~_c=:Żə;^3 9VOzIcʹߘca҂-yv*wZEL\|!Q &#=>\ЂhD+V#Rn(ͻw7Gۛ.9_dL?ɺ3C1Թuҍ6BϼattmE#%S3"Ϗ-IYKZrr?HKLy"nG!aO;#&*Ux7#XU7'bE\O;cãNC8pEԭ1]|4e(#3ูhscݨ?꽍?5r{50 gtVeYp:EnIÂiz,a[i)qkg„?>BnQ==IDA䓪.MݓŖL]ʓуT$PD1-Dy )tBvl"(Uз\]^4>lꜿ|ڱlQ:d0]j+GSbf{Gёx36<ɜ"<׽ käF/E̱gUˁg5qL'Rx'I}TT eafL2?$d6!I}]19^TIhpG2@6lՆIYELfv7yIU&2TWumT5rDh}ErЖ4H{]^y_jSĆHg8ʼqAq'߉, ϟ&Rvclu9S[gU!(p3)|f0.yBdT6jW,%ar zK80{fz;??l|ד?]$mSD ̺BuòW B﬚PLr,`}9&DDpPlʯ`fBv7X-67?vH.N4)B 1!CZ>8 1=/q O0ia@CS :B#<DMxmh&>FޙG@A]yޞ<ƶJDyמC폺Wܶl4V q]gzLC8- ۱Y)C5nYp-M'<3j>1nl*#F[>D ə^b5(=siתC"e <;K  F q|RoG@Q=J' yBi#J' 8E)P٤{_XO=KCtF0j[7hCfn)Ŧ(ˆur%]%w^]fh룾Փ tV37lr+Leiq( ,/8Yϡ(/{MCC,+P?}0o8CKdT JLz Ph[3ipÅYj3DxS7i&D%9yvnU]w{'ZdMQ/jZ6>:46V Ʀs9"in D Lɲ,'pWD fsTсaf M1`qdkuhz;s)b6B[tQ mq3A9 6_H"{6!vnVNa}uMbXP]&-a5,1ۻUg6 QTH>Ǫ7Q_& , YR[LWy&!M4Z6㎉QLFȣږ l 5Rm#$}1!dw1\y6]Du< 1 mˤxC\/dV(m>%e|3-Y)h/nx7HPE6^ `8c oPx0z1zI@\$Џmm+΄