1998 1991
2.1
-
3. 1M 1M~3M 3M 50CM HS-20 0~7M
1. 2 CNS 483A1001
AASHTOM 198 02635 02635 02635
AASHTO T180
mm(sis ) OW mm(sb ) t/(ps ) mm(sm ) mm(scg ) mm(cg ) mm(exm ) RAD (TI )