| 1. | Drain and sewer systems outside buildings - maintenance and operations
室外建筑物的排水和污水系统.维修和使用 |
| 2. | Playground equipment - guidance on installation , inspection , maintenance and operation
运动场器材.安装检验维护和操作指南 |
| 3. | En 752 - 7 drain and sewer systems outside buildings . part 7 : maintenance and operations
建筑物外管道和污水系统.第6部分:维修和操作 |
| 4. | Playground equipment . part 7 : guidance on installation , inspection , maintenance and operation
运动场器材.第7部分:安装检验维修和操作指南 |
| 5. | Drain and sewer systems outside buildings - part 7 : maintenance and operations ; german version en 752 - 7 : 1998
建筑物外部排水和污水系统.第7部分:维护和使用 |
| 6. | Leaguer will also provide the services such as technical support , system maintenance and operation support etc
并提供技术支持、系统维护、运营支持等服务。 |
| 7. | Playground equipment - part 7 : guidance on installation , inspection , maintenance and operation ; german version en 1176 - 7 : 1997
游戏场地设备.第7部分:安装检验维护和操作指南 |
| 8. | After the innovation , the water pump runs stably with good seal , which can reduce the cost of maintenance and operation
改造后，水泵运行稳定、密封良好，可降低检修和运行成本。 |
| 9. | Supplying parts catalogs , lrv and systems thereof maintenance and operation manuals and data book , all in portuguese
以葡萄牙语提供部件目录、轻轨车和系统的维护和操作手册、数据手册。 |
| 10. | Hydraulically operated material coil expansion . simplified construction provides convenient maintenance and operation
简洁之构造设计，维修保养管理均简单化，并加强操作者作业之安全性。 |
