短語詞組短語Polytetrafluoroethylene sealing washer 聚四氟乙烯密封圈Combined sealing washer 組郃密封墊圈o type sealing washer O 型密封墊圈Static sealing washer 靜密封墊rubble sealing washer 橡膠密封圈dished sealing washer 碟形密封圈bolt hole sealing washer 螺孔密封圈type d sealing washer d 型密封圈copper sealing washer 銅質(zhì)密封墊 返回 sealing washer