繁体中文
粉末型高效減水劑
Polycarboxylate superplasticizer package in a lab setting.
聚羧酸系減水劑－PC251
Polycarboxylate superplasticizer in sealed packaging, labeled PC225P.
聚羧酸系減水劑 －PC225P
Bag of Melamine Superplasticizer on a lab counter.
密胺基塑膠化劑－SM-113

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