However in an effort to improve image quality, running costs and the environmental impact of toner all of the toner manufacturers have been investing hugely in Chemical or Polymerised toner.
然而，在努力提高图像质量，运行成本和环境影响的墨粉墨粉制造商都已经投入巨大的化学或聚合碳粉。
This article introduces foe characteristic and advantage of inner hole welded structure, and its designing, fabricating and running in a chemical fertilizer plant.
本文介绍了“内孔焊”结构的特点、优点以及该结构在我国某化肥厂装置中的设计、制造和运行。
Petrol-chemical process pump is very important in the chemical process, which affects the normal running of the chemical enterprise.
石油化工流程泵在化工流程中起着举足轻重的作用，它直接影响着化工企业能否正常运营。
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