| 1. | It is made of a bed of wool felting together
它是由一层层毛毡螺旋缠绕粘接制作而成。 |
| 2. | Linear adjustment of the head of a spiral wound thick - wall pressure vessel
螺旋缠绕厚壁压力容器封头段的线型调整 |
| 3. | Metallic gaskets for pipe flanges - ring joint , spiral wounds and jacketed
管法兰用金属垫圈.螺旋缠绕套封环形接头 |
| 4. | Metallic gaskets for pipe flanges ; ring - joint , spiral - wound , and jacketed
用于管法兰环形接头螺旋缠绕和有套的金属垫圈 |
| 5. | Class 300 - 600 : fully - encased spiral wound graphite - filled stainless steel gasket
600磅级：全封闭螺旋缠绕石墨填充不锈钢密封垫。 |
| 6. | Flanges and their joints - gaskets for class - designated flanges - spiral wound gaskets for use with steel flanges
法兰及其接头.标示等级的法兰衬垫.钢法兰用螺旋缠绕衬垫 |
| 7. | Pvc practice for installation of machine spiral wound poly vinyl chloride liner pipe for rehabilitation of existing sewers and conduits
现有排水管和管道修复用机械螺旋缠绕聚氯乙烯 |
| 8. | Tacking asbestos , graphite of ptee as spacing material , it is wound spirally with high quality alloy or stainless steel tape of " v " or " w " shape cross - setion
金属缠绕垫片是选用优质合金带或不锈钢带材料，以石墨、石棉、四氟作填充材料，作" v "或" w "型相间螺旋缠绕制成。 |
