Participates in the design and development of new polymer product, manufacturing methods, constructions, and materials for lift roller or other products.

 
  • 參與電梯滾輪或其它塑膠新產(chǎn)品的相關(guān)制造方法、產(chǎn)品構造和材料的設計與開(kāi)發(fā)。
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国内精品美女A∨在线播放xuan