伸缩缝: control jointdilatation jointelastic jointexpanded jointexpanded joistexpansion and consraction jointexpansion and contraction jointexpansion jointgap allowed for expansionmovable jointmov
Standard specification for preformed expansion joint filler for concrete paving and structural construction nonextruding and resilient bituminous types 混凝土铺面和结构建筑用预制伸缩缝填料的标准规范