| 1. | Water supply services began in tokyo in 1898 东京的供水服务开始于1898年。 |
| 2. | Equipment for water supply service - test methods of durability 供水服务设备.耐用性试验方法 |
| 3. | Equipment for water supply service - test method of water hammer 供水服务设备.水锤的测试方法 |
| 4. | Equipment for water supply service - test methods of hydrostatic pressure 供水服务设备.静水压力的测试方法 |
| 5. | Equipment for water supply service - test method of low temperature resistant 供水服务设备.耐低温的测试方法 |
| 6. | Equipment for water supply service - test methods of effect to water quality 供水服务用设备.水质效果试验方法 |
| 7. | Equipment for water supply service - test method of prevention from back current 供水服务设备.防回流的测试方法 |
| 8. | Equipment for water supply service - test methods of destruction by vacuum pressure 供水服务设备.用真空压力法破坏测试方法 |
| 9. | Protective fusion - bonded epoxy coatings for the interior and exterior surfaces of ductile - iron and gray - iron fittings for water supply service 供水设备用球墨铸铁和灰铁配件的内外表面的防护熔融胶合环氧涂层 |
| 10. | In order to ensure that water supply services are suited to metropolitan needs , projects are being carried out according to the following policies 为了确保水资源供应服务满足东京都的需求,正依据以下政策实施该计划。 |