On the bridge, on one shell hit on or near it every five minutes.
大桥上，每五分钟就有一发炮弹击中或打在附近。
Spatial shell finite element bridge model is established to guide loading in test.
同时还建立了空间板壳有限元模型，指导试验加载。
Spatial shell finite element bridge model is established to guide loading in test.
同时还建立了空间板壳有限元模型，指导试验加载。
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