| 1. | In drainage of agricultural lands, a filter or gravel envelope is used to prevent the entrance of fine sand and silt into the drains .
在农田排水中常常采用砾石或过滤层来防止粉细砂和泥沙进入排水沟。 |
| 2. | Dust fine sand test procedure for electrical connectors
电连接器的沙尘试验程序 |
| 3. | Which is darker - coarse sand or fine sand
粗沙还是幼沙的颜色较深？ |
| 4. | A study on the application of cemented backfill mining based on fly - ash and fine sand
桃冲铁矿提高井下采出品位的实践 |
| 5. | Fine sand cloth or emery cloth may be used with the same precautions
细砂布或金刚砂布可以采用，但和采用钢丝刷一样也要避免对金属过分清除。 |
| 6. | Application of plastic pipe with double partitions and wave veins to well - making in powderily fine sand la yer
双壁波纹塑料管用于粉细砂地层成井初步研究 |
| 7. | The inside is to grow the similar thing of very heavy fine sand , once you knead , it sinks to go in
里面是种沉甸甸的细沙一样的东西，你一捏，它就陷了进去。 |
| 8. | In rift zone , air bubbling up through fine sand creates a small - scale geothermal landscape
断裂带景观?的空气透过细沙层向上不断冒升，形成小型的地热地貌。 |
| 9. | In rift zone , air bubbling up through fine sand creates a small - scale geothermal landscape
断裂带景观?的空气透过细沙层向上不断冒升，形成小型的地热地貌。 |
| 10. | Hsitzuwan beach is flat and relatively safe , with fine sand , excellent for swimming or just strolling
西子湾沙滩平缓，沙质细密，不论行走游泳都十分舒服，且危险性不高。 |
