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- We used the money to set up an irrigation project. 我们把钱用在兴建灌溉工程上了。
- They are digging irrigation ditches. 他们在挖灌溉渠。
- sedimentary irrigation 淤溉
- Irrigation is needed to make crops grow in dry regions. 干旱地区需要灌溉才能使作物生长。
- Irrigation is needed to make crops grow in dry area. 要使庄稼在乾旱地区生长就需灌溉。
- Irrigation is needed to make crops grow in dry areas. 要使庄稼在乾旱地区生长就需灌溉。
- Water is channelled through a series of irrigation canals. 把水引入一系列灌溉渠中。
- The sedimentary rocks did not dome. 沉积岩没有形成穹丘。
- Layers of sedimentary rock;a layer of warm air. 多层的沉积岩;热空气层
- This irrigation canal has fallen into disuse. 这条渠荒废了。
- Sedimentary rock covering older crystalline layers. 沉淀岩覆在旧的水晶状层之上的沉积岩石
- Sedimentary rock is the best place to find fossils. 沉积岩是找到化石的最佳地方。
- Portable irrigation is on the increase. 移动式灌溉正在增加。
- The terrace channels are convenient for irrigation. 梯田的沟渠便于灌溉。
- If not well managed, irrigation can be harmful. 如果管理不善，灌溉还可能有害处。
- Trickle irrigation conservers water where limited. 滴灌在水少的地方应用起来可省水。
- Low-lying areas tend to be formed of granite or sedimentary rocks. 低洼地区大致上由花岗岩及沉积岩组成。
- Public irrigation is the heart of cotton farming. 公共水利设施是棉花生产的命脉。
- A rounded mass of mineral matter found in sedimentary rock. 混凝土发现于沉积岩中的圆形矿石块
- These rivers provided water for irrigation. 这些河流提供了灌溉用水。
