四氟弹性带自粘耐高温腐蚀纯PTFE密封法兰垫条膨体聚四氟乙烯软带
井盖钥匙防盗圆方枷锁窨井盖球墨铸铁公路不锈钢锁树脂弱电消水井
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304不锈钢套管加长圆柱钢套轴套无牙螺套空心衬套M6M7M8M10M12M14
聚四氟乙烯弹性带自粘耐高温纯料膨胀PTFE密封带法兰垫海绵条软带
SF1F翻边铜套4 5 6 40 45 50 60复合无油自润滑法兰轴承耐磨衬套
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304不锈钢加长圆柱套管 轴套衬套空心管 无牙螺丝间隔柱 套管销套
304不锈钢套管加长圆柱钢套轴套无牙螺套空心衬套M8M10M12M14M16m
SF-1F翻边无油自润滑复合铜套轴套法兰轴承衬套4/5/6/7/8/9/10~60
