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氟胶O型圈线径1.9外径53/54/55/57/58/59/60/63/64/65/66/70到78
氟胶O型圈线径2.5外径73/74/75/76//77/78/79/80/81/82/83/84/85
氟胶o型圈线径4外径72/75/78/80/82/85/88/90/92/95/98-100密封圈
氟胶TC骨架油封55*70*72*75*78*80*82*85*90*92*100*8/9/10/12/13
氟胶O型圈线径2.4外径73/74/75/76/77/78/79/80/81/82/83密封圈