픲϶NҊIJ|(zh)ʯX۰PVCA䓰Լͬ|(zh)ĵ?sh)c(din)mÿgr(ji)ȶвe
һҊ픿۰B
ʯڵ?sh)Ҫϣ?yng)^V;X۰ǽٵҊһN;PVCbϵһN;AҲzϰԭľ(jng)^ܛͿzȵȭh(hun)(ji)Ƴɵİ;䓰һNӲ^ҲƳɵ;b^(qing)ĵ픲˴eʹá
ʯ壺ʯҪԭϓӄcwSƳ;|(zh)p^ȼ䏿{(dio);ͳԲײϴɫһ׃ɫb(f)s;Ҫڿ͏dPҵb ;r(ji)
X۰壺XĻXϽϞ潛(jng)^ͬı̎ˇ̎ӹ;𡢷A͟ϴh(hun)ɻաɫS;^^;bҪ;ƴpg϶^ ҪڏNl(wi)ԡgb;r(ji)^.
PVC壺Ҫɷݞϩ^܄ϻһЩo;|(zh)^pˮȼ ߜԲ;׃;h(hun)^;ҪڏNl(wi)ԡgb;r(ji)^.
ľ|(zh)壺ԭľ(jng)ܛ݆гɴƬͨ^ͿzMቺ߅;|(zh)p(qing)ȸõďԺg͛_(dng)ӹͿ;ܜضӰ푣׃ŤN_;Ҫڿ͏dСb;r(ji)^.
䓰壺ɵڶ픲PVCM(jn)ҲQUPVC ˷PVCϻɫȼë(qing)g^;b ^ϻ׃ɫ坍 ҪڏNl(wi)ԡgb r(ji)^
픲ϳҊвLɰ;ɫR(qing)bЧԲ;;bҪ^пɿĽY(ji)(gu)ʩ;^b;r(ji)^
ĿǰҪĵ픲ҪʯX۰PVC@NA|(zh)c(din)ʹ^I(y)xbϕr(sh)עY(ji)ϲ|(zh)c(din)Լxُ
픿۰xُ`^(q)
ͬ픲ϵc(din)ͬxُȻвeҪx(yu)|(zh)mİhI(y)xُǰ֪R(sh)(zhn)䣬˽ͬĵxُxُr(sh)עxƷu(y)^ߵĮa(chn)Ʒ⣬xُĕr(sh)עׂ(g)`^(q)
`^(q)һJ(rn)r(ji)ԽFԽ
픰ʯ塢PVCX۰ȵȶNͬϵĵ픰r(ji)вeʹͬN|(zh)ĵȲr(ji)ҲвeһЩI(y)J(rn)픲|(zh)ԽFԽ֪픰ķԽFԽעr(ji)ͬr(sh)עxmgĮa(chn)Ʒ
`^(q)ҕ픰ĭh(hun)
xُ픲ϵĕr(sh)S˶ҕ˵픲ϵĭh(hun)֪һЩ|(zh)ĵ픲Ҳ^к|(zh)xُĕr(sh)עO(jin)y
`^(q)J(rn)ԽԽԽ
x픰ĕr(sh)äĿJ(rn)픰Խ|(zh)Խ֪ĵĺȲ|(zh)̫İ(hu)Ӱ푵?sh)^öȡ픰ҲԽԽֻҪ_(d)Ҙ(bio)(zhn)ͺЈϵİČһ10-15֮g(j)gČ(sh)HrxmСİǾM(fi)ߡ