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321գ  ʢʮߵڶ콹㾭̴ᡣ ˶ԡľδΪ⣬  ʱ3죬  רѵϲƷжɡ 򵼡ҵЭα250߹ɷܲ򵼡߹Ŷӵȳϯ˶  δ 

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 赸Ļ  龰硢СƷ赸ϳdz   ߵļȫ׼ݳ  ֽӵ  ͻ   ʱ  쾭̾˱ 

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ʶ  ߽2011꣬  ߹ɷϡгأ  ϵصҵ  ҪPVC/PPRܲĹܼHDPEƹܵϵ850ֲƷ  15 ʮͶ  ѾΪҵЭḱ᳤λ  Ϲܵרίελ 

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