中间轴上叶片采用箱板式结构，提高生产效率，叶片材质采用Q 345耐磨，延长使用寿命。
The blade in the intermediate shaft adopts box plate type structure, to improve production efficiency; the blade adopts Q345 wear-resistant material, to extend the service life.
保持架的材质采用了性能优良的工程塑料，并在保持架的结构上进行了改进-增加了叶片。
In order to meet these performance requirements, we firstly make some improvements in material selection and structure design of the cage.
风机叶片采用增强纤维塑料(FRP)材质，风机的传动系统安全可靠，有专门的事故预防措施。
The fan blade adopts fortifying fiber plastics (FRP), the blower fan transmission system is safe and reliable, and has special accident preventive actions.
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