乙座席 B position

聚四氯乙烯支座 PTFE bearing ; poly-tetrafluoroedthylene bearing ; tetrafluoroedthylene bearing

聚四氟乙烯滑动支座 Polytetrafluoroethylene sleek abutment ; Polytetrafluoroethylene slide plate bearing

新座乙 Shinzaotsu

呈乙保险丝座 SLEEK

圆形聚乙烯滑板支座 GYZF

乙烯基座位 Vinyl Seats

聚四氟乙烯滑移支座 sliding teflon bearing