concave pressure build-up curve 凹型压力恢复曲线
The studio estimates its Concave Roof system could help the school collect up to 28 cubic metres of rainwater, which would contribute to its running.
工作室估计该凹屋顶系统可以为学校收集高达28立方米的雨水，这将有助于学校的运行。
The bottom of the body designed no concave nest. So have lower flowing resistance and prevent valves leakage or damage from trash pipe up.
阀体底部设计无凹槽，球阀因此具有流阻小，阀体防止污物堆积造成阀门渗漏或损坏等特点。
In order to the foundation design and construction of the project, some high protruding area are dug up, while low concave area filled with soil are treated by dynamic compaction.
鉴于工程项目地基设计和施工的要求，在地基处理时，有些高凸地带需要挖平、低凹地带需要大量的填土和强夯加固处理。
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