一般指冰川侵蚀形成的冰川谷，又称冰蚀谷、U型谷。是由冰川过量下蚀和展宽形成的典型冰川谷，两侧一般有平坦的谷肩，横剖面近似u型。
n. aulacogen
misc. trough valley
结果表明，在正常波况下，此海滩碎波带显示了以砂坝-裂流槽谷为主的多种地形组合的变化过程。
The results showed that the fast change processes of the morphologies which were mainly composed of bar and trough with other various morphology assemblages existed in the beach and surf-zone$…
试验证明，对电解槽进行移峰填谷技术改造具有可行性和经济性。
The trial proves that the technology innovation of the electrolyzers is feasible and economical. 3.
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