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- raft silt layer 软土淤泥层
- This paper investigates a coastal aquifer system consisting of a confined aquifer from up and down by two semi-permeable layers.The suboutcrop of the aquifer is covered by a silt layer. 摘要通过对一个滨海多层含水层系统的考察，该含水层系统由上、下弱透水层和介于中间的承压含水层组成，海底露头处被淤泥层覆盖。
- Filter Design of Tubular Well in Silt Layer 粉细砂地层管井过滤器设计研究
- silt layer with water yield property 富水性粉砂层
- Chronostratigraphy and sedimentology study of Longjie section where silt layers are well preserved in Yuanmou area of Yunnan province. 对云南元谋龙街粉砂层保存较好的龙街剖面进行了年代地层学和沉积学研究。
- filling karst cave with high-pressure hydrodynamic silt layer 高压动水粉细砂层溶洞
- The sailors got away from the wrecked ship on a raft. 水手们乘救生筏离开失事的船。
- The harbor is being up with silt. 那海港被淤泥阻塞了。
- The raft was floating gently down the river. 筏子顺河水缓缓漂流。
- Many people get away from the wrecked ship on a raft. 许多人乘救生艇离开遇难的船。
- They floated down the river on a raft. 他们乘着木筏向河的下游漂去。
- A whole raft of people came for drinks. 许多人来喝酒。
- He met with a raft of troubles last year. 去年,他遇到了许多麻烦。
- The raft was buoyed up by empty petrol cans. 这木筏依靠空汽油桶的浮力漂浮。
- We found the shipwrecked sailors on a raft. 我们在一个木筏子上找到了失事船只的船员。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- The raft would be more buoyant if it was less heavy. 木筏若轻一点浮起的就更好了。
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- A concrete wall is built to stop silt from leaking to the conservation land. 一道水泥墙修筑起来，用以防止泥沙流进保留地。
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
