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ҫʱ | 4001ϻܵѡ2022-2023ϺסլɹҵƷѡ¼

գϺк޽ҵЭṫ2022-2023ϺסլɹҵƷѡ¼4001ϻ޽ˮӲϩPVC-Uܲļܼ޽Ӳϩˮܲļܼˮþ۱ϩPP-Rܲļܼ޽þԵ繤׹ܼˮӲϩPVCܲļܼ8ƷֳѡܵƷ¼Ϊܵ¼ѡƷĹ˾ 

4001ϻ㡤(й)޹˾4001ϻ㡤(й)޹˾

Ϊڹܵҵߣ4001ϻ㹹ƷֹΪȫIJƷ磬ϯ7000ֲƷĹܲġܼŲƷΪסլṩȫƻܵƻˮ硢ǧ򻧣ռ䣬ġ 

ĶУһסլ롰䡱ϻסլʩӰסĵı㵱ԣᱬص徲 ˣЧ徲ʵʱϾסլɹ̣Ϊҹϸᶼ޷ֹ⡣ 

4001ϻƷӦϺɳСˢ£漰Ĺˮˮ 徲װ·ȶ飬ʵ־ɳǡΪТ˳4001ϻ 
4001ϻ㡤(й)޹˾

4001ϻ۽ҵԿƼҵͼһֱƶҵʵԶϢɫܻʻȫܵҵΪٹ׼淶ҵȺΪûʷƽ̨ʵָƷʲƷ 

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