混凝土保护层 [建] concrete cover ; concrete protective cover

钢筋的混凝土保护层 concrete cover to reinforcement ; reinforced concrete protective layer

混凝土保护层层状剥落 delamination of concrete cover

混凝土防护层 concrete shield

保护混凝土层 protective concrete layer

混凝土掩护层 concrete cover

混凝土保护涂层 concrete protective coatings

混凝土护卫层 concrete cover

重混凝土防护层 heavy concrete shield