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

߹ɷݶ³¬ܲŶӴ뽹㾭̴ᣬ 21ϵġľδ¿Ļ ´ĥÿ٭4001ϻ㽨Խõĺ Ϊ4001ϻ׳˺ջչδ 4001ϻվɾ̣ ˯ջϣ Ҫóıͻң ʤ̭Ŀ⡢˵ͱŹӮ Ӧгս »Ե ¬ǿֻ໥ηɵ ֻлӮɹҸ4001ϻ һ𾢣 Ī4001ϻô⣬ Īΰʱ

 赸Ļ 龰硢СƷ赸ϳdz  ߵļȫ׼ݳ ֽӵ ͻ  ʱ 쾭̾˱

˾޽ڵڶ콹㾭̴лʮ ҪԴ˴δΪ Գҵ ꣬ ֻϦľʱҴĽȸ߸ƻƺߣ һֱΪгṩʵķ ߸˾ºڻ2021սԼʮ塱ս룬 коЯǰУ δ

˴δỹԼˡԪЧ״ˡйЧʵսרҽΪλְԱչΪ2ġרѵ ִҵ̡ЧƶԼҵƵȷְԱȫѵ ߹ɷݸ˾ƽΪˮ˼Ԫ -ϹܵƼ4001ϻ²Ʒ⽲ ʱ侰ҹϹܵҵٵƣ ԡʮ塱ʱδʩ衢زסȶϹܵDZ ߹ɷܼߴȪġƷѧĻĻȫĹʶ ΪҸĴߡҵԸģ ˼

4001ϻ㡤(й)޹˾

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

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