- 泥: cover or daub with plaster,p ...
- 活字: type; letter; movable type; ...
- 活字: [印刷] type; letter; movable type; type font◇活字板 letter press plate; 活字印刷 letter press; movable-type printing; 活字印刷术 typography
- 水泥活性: activity of cement
- 污泥活化: sludge activation
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