The alkaline paper comes from the pulp and paper technology itself, but is making post-order bookbiding that contains the value that is used by ofmaize of alkalescence substances.

 
  • 纸张的碱性来自于造纸工艺本身,也有的是后序装订制息所搁置的含有碱性精神的粘合剂酿成的。
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