为什么有的塑料袋,称为PVC袋呀?

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/02 10:58:01
xWYo+~1Z75`8@% 򐧼{ƀcx}^"EJxSu:x%;俐G\J ,`=]U]_U}U|;]t%e%FQ(-C8_혿{O~'^A(dMQarZBO,단pE{,=ާ!OjWcL;,gS::%#Ht?dTkB?wbʡCVsLVk% BλԲU@(z2_Q!4OIFYK N [OCT=TfꜺ#ՊQ$sPx Ts:_cFYT8-dhr~"`RLѵ++b*'B |RжNj΁ZV9 [6M]œ .Jx5S "> /DҹQͶW?R\1NH!Q3=3%|w0ó=d&g/ݴl^aĝt$ꊂgOD!u(DɹJ ƻ)bzs٦Ap2?.=y(~ń2m07M 0(Qbp&SdfጟA]ޤs!rlάB| ӹ\[6k(){6,#xP| ha1#y:c2g!w% dd]π\˲֐6&`-DF$^zЭ ięI1=怓s<_pTrR Td^Kd}pX_n<6ЯkN}Qb`|T[4~6g)@ùw]S!^ U@&,GTxmCד5UbNrjuJqkRwUS8uib?Ύ2º8 EСv3#"xJ#֥$Gލ!<ApKoxȃ2v]C\RxzVqX2d[Ud{?|H^/ddgHl mW XpS)m x (m lByV]DjS+9Z WC'AFH'">ӎR:9<ۧ>vڽE,#>0Y_apǒ9P^'ERFA3 B&4Aɏ wA4|ܴӉzꬰ~snX}ͷ߼]{[x`B7^şh韯߽U~DZgBg< 8"4\l}4ξɓgr0v ES&DaNte=Xfgk ܂PZ:0Bww>ҟgafPؙt1^VsOelan0AY׼|pꤎVY3m @ڴϿ0zalPN]JxJ0p?+!RE]Ϙ#SXj߱P<}Ϋ~^CSOq\z^v[