插入式混凝土振捣器
immersible concrete vibrator
混凝土内部振捣器
internal concrete vibrator
不振捣混凝土
Concrete without vibration
免振捣轻集料混凝土
self-compacting lightweight aggregate concrete
免振捣高强高性能混凝土
self-compacting high strength and high performance
self-compacting high strength and high performance concrete
免振捣多孔混凝土
porous concrete with non-vibration molding