Tests relating to pavements . skid test . part 2 : method for obtaining the longitudinal skid resistance 路面试验.滑动试验.第2部分:抗纵向滑动方法
2.
Tests relating to pavements . skid test . part 4 : method for measuring the transverse skid factor with a scrim device 路面试验.打滑试验.第4部分:带有沙罩装置的横向打滑因子的测量方法