bituminous coating meaning in Chinese

沥青绝缘
沥青涂层

On quality control in bituminous coat project of high class highway
高等级公路沥青路面工程质量控制
Bitumen and bituminous binders - determination of the non - volatile matter content of bituminous coating materials
沥青和沥青粘合剂.沥青涂层材料中不挥发物质含量的测
Standard practice for preparation of test panels for accelerated and outdoor weathering of bituminous coatings
沥青覆层的加速户外自然老化试验用试片制备的标准实施规程