| 1. | Solid dielectric insulation provides a maintenance - free installation
干式绝缘提供了免维护结构。 |
| 2. | 2 maintenance - free lead - acid battery
2免维护铅酸蓄电池 |
| 3. | Study on the adhesives for the case of the free - maintenance storage battery
免维护蓄电池壳盖用密封胶的研究 |
| 4. | Maintenance - free ; no special requirement is placed on screen touches
完全免维护的特点，对触摸物没有特殊的要求 |
| 5. | New jig design , low noise power jiajin smooth , reliable , mianweihu
全新夹具设计，噪音低夹紧力平稳、可靠，免维护。 |
| 6. | Maintenance free battery
免维护蓄电池 |
| 7. | Patented dust prevention technology ; the acoustic wave screen is dust - proof
专利防尘技术，声波屏不再怕灰尘，实现免维护。 |
| 8. | It is a maintenance free analyzer as its newest design of the precision meter pump
使用隔膜式精密计量泵- - -计量精确、免维护。 |
| 9. | It is a maintenance free analyzer as its newest design of the precision meter pump
全新设计- - -使用隔膜式精密计量泵，耐酸碱，免维护。 |
| 10. | Usually we apply the harder material for lv pocket , such as hardox 400 for longer life and free maintenance
我们通常在lv气室采用较硬材料，诸如哈氏400 ，寿命既长又免维护。 |
