氟胶密封圈63/65/67/69/71/73/75/80/85/90/95/97.5/100/115*5.3 ¥4.50 石墨复合垫片 柔性阀门垫圈 按图加工高压耐油 ¥1.20 硅胶O型圈内径240/243/250/258/265/272/280/285/290/295/300x5.3 ¥1.65 AFM34耐腐蚀无石棉垫片耐油非石棉密封垫圈制冷系统管道法兰密封 ¥1.10 硅胶O型圈内径115/118/122/125/128/132/136/140/145/150/155x7线 ¥3.20 EPDM三元乙丙胶O型圈密封圈40/41/42/43/44/45/46/47/48/49*3.5mm ¥0.79