Parker油封常用原材料有哪些？派克油封原材料表，Parker oil seals material Parker油封常用原材料有哪些？请查看下面中英文介绍。Acrylonitrile-Butadiene Nitrile (NBR, XNBR) Aflas (FEPM) Butyl Rubber (IIR) Chloroprene Rubber (Neopre...
