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polymer retarder
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polymer retarder
Encyclopedia
工学
高分子助剂
释
polymer retarder
高分子型缓凝剂
一种通过推迟水泥水化反应而延长凝结时间的高分子添加剂。
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He Bingsong
He Bi Nong yi
Hebi Shi
HEB mixer
He Bo
Hebrew
Hebrew Historical and Biographical Literature
Hebrew language
Hebrew Literature
Hebrew Myths and Legends
Hebrew Narrative Literature
Hebrew Poetry
Hebrew Prophetic Literature
Hebrew Wisdom Literature
Hebrides
he brocade
Hebron
He burning
HEC
He Cao Bu Huang
Hecataeus crater
Hecataeus of Miletus
He Changgong
He Chaozong
heche dazao pill
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