- gb/t22414-2008 12 1 20113500015122515%230%3415% -511220*2440mm10230=*0.4*3 4 -5 - 1 22 -3 v2.5-420000-30000/3-5/0.1-0.220456 457 600*6008 - - - 123-* 07-06-26 * ,- * * 1 2 3 1 2 3 2007 2007 12. 580.00 165 95700.004%31 2- 34. :7-30%-80%-955 1 2(gb-50300-2001) 3 500.00 4 5 6 -10 7 1 2 3- 4 5-1 -2 3 4 5 6 7 8 9 10 11 500.00500.005010012 ,-13 -123313- 147 1. 2. 3. 1 2-3 - 1 2 - 1 -422 2 3 -* 8 0518-7231345 0518-7231345222300 - -2009716- 1 -2 1300mm1570mm6000mm3 -4 1. -30%-90% 1 152 3 1 2 3 4 5 -6 1 2 3 4 1. 12. 3. -4. 15. 10% - 12-3 -13003h16gb/t38802ldpe-ldpe20%3ppg456-