| 1. | Sediment begins to choke the channel's opening .
沉积物开始淤塞河道口。 |
| 2. | What does the terrigenous sediment consist of ?
陆源沉积物是由什么组成的？ |
| 3. | The quaternary sediments are largely undeformed .
第四纪的沉积物大部分未变形。 |
| 4. | Pelagic sediment contains tiny grain of material .
远洋沉积物包含了微细物质颗粒。 |
| 5. | The sediments are characteristically very fossiliferous .
沉积物的特征是含化石很多。 |
| 6. | The arrow indicates direction of sediment transportation .
箭头表示沉积物的搬运方向。 |
| 7. | Rivers and torrents carried great loads of sediment out to sea .
河流挟着大量沉积物奔流入海。 |
| 8. | The writer has borrowed freely from papers about sediments .
作者引用了有关沉积物论文的材料。 |
| 9. | Emitters on trickle system can be blocked by precipitate .
灌溉系统中的发射器会被沉积物所堵塞。 |
| 10. | It is useful in discussing the nature of sedimentary deposits .
它在讨论沉积物的性质时是有用的。 |
