shell arch
... shell外壳、炉壳、毛管、坯料、结疤、溅皮、疤皮 shell arch薄壳拱 shell burner套管烧嘴、套管形烧嘴 ...
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选择薄壳拱的轴线与压力线相吻合，拱内应力主要由压应力控制。
The axis of thin shell arch is selected coincidence with the pressure line, the stress inside the arch is controled by pressure stress.
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