| 1. | No methods are available for the accurate prediction of the effect of bends and fittings .
精确地预计弯头和管件的影响尚无方法可循。 |
| 2. | Air distribution piping systems almost invariably use soft copper tubing with soldered fittings .
压缩空气的分配管道系统无例外地都是用焊接管件的铜管。 |
| 3. | Graphical symbols for piping systems - piping accessories
管路系统的图形符号管件 |
| 4. | Yes , some pipes in it have also been fitted
是的，里面的一些管件也已经装好了。 |
| 5. | 1 shipbuilding - hose connections and fittings amendment 1
造船.软管连接件和管件 |
| 6. | The pipes and fittings lined with metal meshed - ptfe
金属网聚四氟乙烯复合管与管件 |
| 7. | Cast iron drainage pipes and fittings without sockets
无承口的铸铁排水管和管件 |
| 8. | Tight and firm compression connection to the fittings
与管件的挤压连接紧密牢固 |
| 9. | Fibre - cement products - pressure pipes and joints
纤维水泥制品.压力管件和接头 |
| 10. | Unplasticized polyvnyl chloride fitting for water supply
给水用硬聚氯乙烯管件 |
