underwater bed meaning in English
下游河床
Examples
- This paper introduces the basic structure , system composition , applicable condition , main parameters and construction procedure of the first walking underwater bed leveling machine in china , and describes the construction quality and efficiency of bed leveling in yangtze estuary deepwater channel regulation project
摘要简要介绍我国第一台步履式水下基床整平机的基本结构、系统组成、适用条件、主要技术参数和施工工艺，并对其在长江口深水航道治理过程中进行基床整平的实际施工质量和工效作了说明。