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pvcˮܵʹǶ

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˫ǹͬѨ,63jjjС˵,

ͨԣPVCˮܵʹˮܹܵa˫ǹͬѨ,63jjjС˵,QģȻͬS̲õPVCˮԭϡagصIJͬҲӰ푵PVCˮܵʹÉ

(1)


PVCˮИIMٰlչAΣa̞ӯ˲͵pϵļðPVCˮb޲ϮaƷ@һ̶ҲӰʹޡ鱣ϹܵЈĽ˫ǹͬѨ,63jjjС˵,҇PVCˮܵʹҲҎһPVCˮҪDZ50ʹޡ

(2)


ڌHʹ^һ㲢ʹ@ôLĕrgܶ˶lFpvcˮܲϲٕr򶼕[ιʹãһһ뱻ڵ£һ˫ǹͬѨ,63jjjС˵,tֱ¶ڿ՚С¶PVCˮܽ^LrgLՕLڵµģ

(3)


tҊPVCˮ҃ȰbՓ͌HՓaṩʹޣHtPVCˮڰbČHʹÕrgL̡


fڌHʹ^PVCˮܵʹ߀chضȡbλáBӷʽPˣҪʹPVCˮʹr_@ôLʹ˫ǹͬѨ,63jjjС˵,ޣճıcBȶǷdzбҪġ


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