{(dio)C(j)M늙C(j)䓰֧c(din)
1ߏ(qing)ȣһ(qing)300MPaϡ
2gԣҪʞ15%20%Ҝ؛_gԴ600kJ/m800kJ/m (du)ڴͺӘ(gu)߀Ҫ^ߵĔg
3õĺܺܡ
4͵D(zhun)׃ض
5õgԡ