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[2000]99OOO()(),()()GA1GAl(1)P16MPa(2)200kmDN300mm(3)50kmDN150mm2GA2(1)P16PMa(2)GAl(2)(3)GAl(3)GBGBlGB2GC1GC1(1)GB5044(2)GB50160GBJl6P40MPa(3)P40MPa400(4)P100MPa2GC21)GB50160GBJl6P40MPa(2)P40MPa400(3)P10MPa400(4)P10MPa4003GC2GC3(1)P10MPa400(2)P40MPa400GAGC1GAGBGAGCGAGBGCGClGBGBGC2GC3GBGC2GBGC3GA1GA2GC1GC2GC3GC2GC351234GB/T19000-IS09000()()()())1()()()GAGCl()[()]()GBGC2GC3()()2GBGC2GAGCl145()()45()2(1)(2)(3)(4)(5)31812()433()()23()52GAGCl()1GBGC2GC3()13()4(1)(2)(3)(1)(2)567GAGClGBGC2GC3116(15)1123GAGCl4455()61()2()3()1452323()55()1234567123121234()12()34123GC2GC3Gz()()GC1GC26()6444GA2GB1GC24()5233GB2GC33()14312GA1GC1GA2GB1GC2GB2GC3250100305%165%105%6401247422&&4024842&RT1&&UT-21&MT-11&PT-1&&84&1GB1GC2(PE)GB2GC323GAl20GA2845GA1GC1GA2GB1GC2GB2GC32015674243253&21&21&821&2&&21&64221&&11&1GAGAlGCl2345GA2GBlGC26GAGA1GC1GA2GB1GC2GB2GC31(199510648)2GA1GC120100GA2GB1GC21050GB2GC3525