gravel bed

gravel bed的基本解释

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[机] 砂砾层

与gravel bed相关的网络例句 [注：此内容来源于网络，仅供参考]

In chapter 4, by analyzing the interchange of seepage water between overburden layer of weak permeability and sandy gravel bed, a short computer program for adopting weighting soil layer on the landside of dike is put forward, the optimal design schemes about combination weighting soil layer with inverted drainage works are studied.

第四章 通过分析堤基弱透水覆盖层与下卧砂砾层之间的渗流关系，创建了堤防背水侧盖重压渗的快捷计算模型并研制了相应的计算软件，提出了盖重压渗与反滤导渗相结合的优化设计方案。

The sedimentary process of debris flow which has fundamental dynamic mechanism of flowing and creeping formed mainly various flowing structures, such as half-ring flowline structure, divided-flowing structure, bag-shaped flowline structure, divided-flowing structure, bag-shaped flowine structure, loaded structure, multiple-layered structure, washed gravel bed and lenssoiled-bed structure.

以流动和蠕动为基本动力机制的泥石流堆积过程多形成各种定向的流动构造，例如，半环状流线构造，分流构造，袋状流线构造、载荷构造、多层状构造、冲刷砾石层和透镜状土层构造。

Urban wastewater was treated by the reed gravel bed constructed in fishpond , but the effluent could be reached the criteria of water quality for hygienic fish culture when pumped bottom water treated with reed gravel bed.

通过直接建造在鱼塘内的芦苇碎石床处理城市污水后，再抽鱼塘底层水回流到芦苇碎石床上进行再处理的试验研究表明，这种处理可使鱼塘水质达到卫生养鱼的水质标准。

与gravel bed相关的网络解释 [注：此内容来源于网络，仅供参考]

gravel breakup：砾石破碎

gravel bed 砾石层 | gravel breakup 砾石破碎 | gravel bridging 砾石形成砂桥

unscreened gravel：未过筛砾石

unscrambling bed 炉子受料架 | unscreened gravel 未过筛砾石 | unscreened high-tension igniton calbe 无屏蔽高压点火线

granulometric distribution：粒径分布

granular bed filter颗粒层除尘器 | granulometric distribution粒径分布 | gravel bed filter颗粒层除尘器