Drilling method to determine the thickness of the pavement drilling core samples are available to clean and spare with water(钻孔法测定路面厚度钻取芯样都可用清水清洗干净备用)。
Drilling method to determine the thickness of the pavement - 作业 - 公路与桥梁检测技术(中英双语) - 智慧职教MOOC学院 | 大学网课搜题引擎