Organic photo Conductor, the development roller, the photoelectric charge roller PCR etc.
感光鼓(即有机光导体opc)、显影辊、充电辊(PCR)等。
Participates in the design and development of new polymer product, manufacturing methods, constructions, and materials for lift roller or other products.
参与电梯滚轮或其它塑胶新产品的相关制造方法、产品构造和材料的设计与开发。
And all kinds of development, with flower-like roll of steel on steel roller.
及各种开发、跟样的花辊、钢对钢对辊。
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