| 1. | Each was a composite of three scoops of silt .
每个样品由三勺淤泥组成。 |
| 2. | The river deposited silt at its mouth .
河口沉积了淤泥。 |
| 3. | He stepped forward, hit foot sand into the ooze .
他向前一迈步，脚陷进了淤泥之中。 |
| 4. | He tried to wrench it back, but the muck sucked viciously at his foot as if it were a giant leech .
他挣扎着想拔出来，但淤泥就像一个巨大的水蛭一样，紧紧地吸住了他的脚。 |
| 5. | The trickling filter and activated sludge efficiencies cited required primary sedimentation and effluent circulation .
列举的生物滤池与活性淤泥法的效率就需要初次沉淀和回流。 |
| 6. | Sedimentation embodies the processes of erosion, entrainment, transportation, deposition, and compaction of sediment .
泥沙问题包括泥沙的侵蚀、挟带、输移、淤泥和密度的过程。 |
| 7. | The water mains had numerous breaks, with the great majority of the breaks occuring in sand, silt, or filled ground .
自来水干线有许多处破裂，但绝大多数的破裂发生在砂地，淤泥地或回填土中。 |
| 8. | The question of virus occurrence and survival in sediments was addressed only after improved detection methods were at hand .
淤泥中病毒发生和存活的问题只有在改进了检测方法以后，才能够得以了解。 |
| 9. | Instead of bulldozing off the clay and exposing the rock, drilling was carried out through the clay and the rock by the use of special equipment .
在这里使用特殊设备穿入土层和基岩中进行钻眼，以取代常规的清除掉淤泥层使基岩外露的施工方法。 |
| 10. | Fill treatment of dredged silt and research development
淤泥吹填处理及其研究进展 |
