three center arch的意思|示意

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三中心拱

three center arch的网络常见释义

三心圆拱 ...衬砌；三心圆拱 [gap=620]Key words: straight wall; the new Austrian tunneling method; composite lining; three center arch ...

three center arch相关短语

1、 three-center arch 三心拱

2、 three-center arch dam 三心拱坝

3、 three-center arch loop 三心圆拱圈