沥青路面热再生技术是指在沥青路面面层出现各类裂缝、坑槽、车辙、拥包、泛油等病害或路面平整度、摩擦力系数等性能指标下降时．使......

Several sets of S4 direction-wave-current-tide meters have been deployed on the coral-reef flat of Yongshu Reef in the s......

选用紫外光面涂的固化体系,采用了固化后测试固化度来研究固化程度的基础上,对摩擦力系数进行测试,对影响摩擦力系数的几种情况进......