KON-RBL混凝土保护层厚度测定仪
KON-RBL concrete cover tester
保护混凝土层
protective concrete layer
钢筋的混凝土保护层
Concrete Cover to Reinforcement
混凝土保护层层状剥落
delamination of concrete cover
混凝土保护涂层
concrete protective coatings
下保护层
lower protective seam
under-protecting coal stratum
钢筋保护层
the cover of reinforcement
reinforced concrete cover
cover depth
layer of reinforcement