Are wedges made of epoxy board , pnenolic aldehyde paper board , vulcanized fiber paper board 采用环氧板酚醛纸板红钢纸冲制成电机用槽楔。
Are switch board , rotor board and braces made of epoxy board , vulcanized fiber paper board , etc 采用环氧板红钢纸板等冲制成电机开关板转子端板拉杆。
Are adjustable gaskets for electric machine made of epoxy board , vulcanized fiber paper , cloth board and polytef with graphite and other insulative materials 采用环氧板红钢纸板布板和聚四氟乙烯加石墨等绝缘材料冲制成的电机用调整垫圈
英文解释
a leatherlike material made by compressing layers of paper or cloth 同义词:fiber, fibre,