... 聚羧酸盐减水剂(Gather carboxylate water-reducing agent) 超缓凝剂(液体)(Ultra retarder) HEA膨胀剂(HEA Expansion agent) ...
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HEA膨胀抗裂防水剂 HEA Expansion crack water-proofing
混凝土膨胀剂HEA concrete expansion agent HEA
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