HRB335 HRB400 RRB400 HRB335 HRB400 RRB400 HRB335 HRB400 RRB400 HRB335 HRB400 RRB400 HRB335 HRB400 RRB400 HRB335 HRB400 RRB400 HRB335 HRB400 RRB400 HRB335 HRB400 RRB400 HRB335 A级胶或 B级胶 s1≥5d、s2≥2.5d 26.09 31.30 22.22 26.67 17.65 21.18 17.14 20.57 16.67 20.00 16.22 19.46 15.79 18.95 15.38 18.46 15.00 s1≥6d、s2≥3.0d 26.09 31.30 22.22 26.67 16.67 20.00 15.79 18.95 15.00 18.00 14.55 17.45 14.12 16.94 13