Expanded polytetrafluorethylene 膨体聚四氟乙烯
porous polytetrafluorethylene 多孔聚四氟乙烯
polytetrafluorethylene fiber 聚四氟乙烯纤维
Nevertherless, the cycling life is increased while the additives (RSO3H)and polytetrafluorethylene (PTFE)are added to the positive paste simultaneously.
若向正极铅膏中同时加入RSO3H和聚四氟乙烯（PTFE），则正极的循环寿命可以相对延长。
The method and adhesive process for Sodium-Naphthalene solution activating Polytetrafluorethylene (PTFE) surface were described, and the properties of adhesive were tested.
叙述了钠—萘溶液活化聚四氟乙烯表面的方法和粘接工艺，并测试了粘接件的主要性能。
Air enters the desiccator through an annular inlet channel, which is covered by a strip of Polytetrafluorethylene PTFE coated wire mesh to prevent the ingress of rain, dust, insects, etc.
空气进入干燥器之后需通过环形通道，环形通道采用聚四氟乙烯涂层，防止雨水、灰尘和昆虫等进入。
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