1 106 1# 2# 0 2 106 A 1# 2# 3 106 -5 - -5 - -6 - -6 -6 - -6 ( ) -7 -8 -9 -9 -9 - -10 -15 -15 -15 -16 -17 -17 -17 -18 -19 -20 -23 -23 -23 -26 -27 -27 -28 -28 -28 -38 -51 4 106 -59 -62 -64 -69 -69 -74 -75 -77 -79 -86 -87 -89 -94 -96 -97 -99 -99 -99 -99 -100 -101 -102 -103 -103 -104 -105 -106 -107 -108 -109 -110 5 106 1 2 3 4 5 6 7 1 2 GB50300-2001 3 GB50202-2002 4 GB50204-2002 (2011 5 GB50208-2002 6 GB50203-2011 7 GB50026-2007 8 GBI499.1-2008 9 GBI499.2-2007 10 JGJ/T27-2001 11 GB175-2007 12 GB/T5
