同义词
1)oil-impregnated asbestos paper,油浸石棉纸2)saturated asbestos felt,浸油石棉毡3)asphalt-saturated asbestos felt,石棉纸油毡4)lubricated and graphited braided asbestos round packing,铅粉油浸石棉圆绳5)lubricated and graphited braided asbestos square packing,铅粉油浸石棉方绳6)wax-impregnated paper,石蜡浸纸
