(换肤)
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比尔安达拥有镍铁氟龙（Ni-P-PTFE）与二硫化钨（WS2），NickelTeflon、MoS2-二硫化钼-铁氟龙干膜-Krytox，郁水峰：18221041697，Everlube、Sandstrom、Molykote军工WS2表面处理加工。美国芝加哥MicroSurface公司WS2技术。
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