... 造纸术papermaking technology 火药Explosive (Gunpowder) 指南针compass ...
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new papermaking technology 制浆造纸新技术
the technology of papermaking 造纸技术
·2,447,543篇论文数据,部分数据来源于NoteExpress
The present invention relates to papermaking technology, and is thin sepiolite paper and its making process.
一种海泡石薄页纸及其抄造方法。属于造纸技术。
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