| 1. | After opening the well-cover to begin lowering the bucket he paused and leant with his forehead and arms against the framework .
他揭开井盖儿，要往井里顺公用水桶的时候，停了一下，把额和胳膊靠在辘轳架上。 |
| 2. | Inspection manhole lid made of polymer matrix composites
聚合物基复合材料检查井盖 |
| 3. | Composite material inspection well lid of regenerated resin
再生树脂复合材料检查井盖 |
| 4. | Steel fiber reinforced concrete checking well cover
钢纤维混凝土检查井盖 |
| 5. | Or the manhole cover outside your apartment
还是你公寓外面的下水井盖？ |
| 6. | Here ' s the question : why are manhole covers round
这个问题是：为什么下水道井盖都是圆的？ |
| 7. | Manhole tops , class b 125 - part 3 : covers
. b125级人孔盖.第3部分:井盖 |
| 8. | Paris and its goddamn manhole covers
巴黎和那该死的井盖儿们！ |
| 9. | " why are manholes covers round ?
为什么下水道的井盖是圆的？ |
| 10. | " why are manhole covers round ?
为什么下水道的井盖是圆的？ |
