2 l23- 10.00 2(1) u(2) (4)(5)(6) (7) (8) (9) (10) (11) 3(1) (2) (3) (4) 1 2 m33 4 -56 78(gb/t50353-2005)9-70%lo1e#15 % %2 %3%4 %5-6 - 78117 2 3000 - 1 _%2(jgj131-2001)(jgj59-99)(jgj80 91)3-4 - 524 l - -2 3 4 - 56503 300/7-89 l(1)-(2)15 (3)(4)(5) (6)-(7) (8)(9)2(1)(2)(3)(4)500-1000(5)-(6) (7)(8)(9)300-500(10)500-1000/(11)500-1000(12)500-1000 (13)1 - 2 3 310000071 2 3 -l24200 mm2 - - 3 l23-10.006)()2(1) u(2) (4)(5)(6) (7) (8) (9) (10) (11) 3(1) (2) (3) (4) 1O 2 m33 4 -56
