高强无收缩灌浆料
strength shrinkage-free grouting material
CGM high-strength non-shrinking grouting material
无收缩灌浆料
shrinkage-free grouting material
UGM高强无收缩灌浆
UGM grouting of high strength without shrink
高强无收缩灌浆材料
high-strength shrinkage-free material
明矾石混凝土膨胀剂
alunite expansion agent for concrete