查询词典 headwater erosion

As soil erosion, siltation, increased environmental destruction of the Yellow River and the serious water shortage and water pollution, such as drying up of new problems.

由于水土流失，泥沙淤积，生态环境日益遭受破坏，黄河又出现了严重的缺水断流和水污染等新的问题。

The recent developments in the siltation promotion and erosion control techniques are introduced, and it is pointed out that the developing trends of these techniques are safe, economical, efficient and environment-friendly.

介绍了促淤防冲技术的最新发展动态，指出安全、经济、高效和环保是其发展趋势，建议采用施工易、造价低和阻水小的结构和轻质材料。

Erosion at some portion of meandered river banks and siltation at some foreshore areas.

在某些弯曲的河道部分有腐蚀现象而且浅湾部分也有些淤积。

Article 28th strengthening river beaches, river banks and dikes of soil and water conservation, prevention of soil erosion and river siltation.

第二十八条加强河道滩地、堤防和河岸的水土保持工作，防止水土流失、河道淤积。

The source of slack deposits is the loess of the upper reach where the soil erosion is very heavy, while the source of sand is the airslaked rocks of mountainous area in the upper reach. 3. There were several "interbedded slack deposit-aeolian fine sand layers" in both LHT and YWC profiles, the silt layers are slack water deposits and the aeolian fine sand layers were carried by the NE direct wind.

在LHT、YWC和YYC剖面中，磁化率均呈现出平流沉积层中偏低，而在风吹沙和中、粗沙层中偏高的特点，其原因是平流沉积层的物质来源多为上游黄土区的土壤侵蚀和水土流失带来的土壤，而沙层的物源则是上游基岩山区的岩石经风化、搬运而来。

Useful in transporting high wearing and acid erosion slipe.

可使用于高耐磨，耐酸腐蚀领域。

Until now, the results of educational neglect have been gradual — a slow-motion erosion of America's relative position.

到目前为止，疏忽教育事业的结果是渐进的，它是一种对美国现对地位缓慢的侵蚀。

Complicated working conditions, such as water-retaining structures to bear a lot of water pressure, Seepage from the osmotic pressure of building the strength and stability negative; sluiceway discharge structure, right bed and bank erosion has a strong role.

使工作环境复杂化，例如水保留的结构负担很多从建立力量和稳定阴性渗透压的水压，渗流；闸沟放电结构、正确的床和银行侵蚀有一个强的角色。

The whole design of the cassette when parked in away from rain,Snow dust erosion.

防腐喷塑铝合金结构结构设计紧密，半盒式设计使蓬布在收起时免受雨雪沙尘侵蚀。

Through field investigation, the influences of vegetation characteristics on wind profile and soil erosion were main studied.

采用野外定点观测法，主要研究植被各个特征对风力作用及土壤风蚀的影响。

We got alerted a couple of times while we were down south that HETs were on the way to bring us back up north because things were going to go hot again, but it was just rumors.

南下的途中我们不只一次得到警告说重型装备运输车将拉着我们重新北上，因为局势正在变得重新紧张起来，但这只是谣传。

It's the one where they find the ghost in the salt mine.

这一集是演他们在盐矿找到鬼