Nuclear power plant containment shell is a large-volume pre-stressed reinforced concrete silo-shell structure to prevent radioactivity, and is the most important protected object in special condition.
核电站安全壳是防止放射性物质向环境释放的大体积预应力混凝土筒壳结构，是特殊环境条件下的重点防护目标。
Shell added that it had placed containment booms into the surrounding waterways to stop the flow of oil.
壳牌石油补充说，他们已经在周围水域设立了控制栅栏，防止石油泄漏。
A Shell representative said: "Containment options are being progressed as a longer term option."
一名壳牌代表称：“密封选项正在被作为一项长期选项而开展。”
Shell representative said: "Containment options are being progressed as a longer term option."
一名壳牌代表称：“密封选项正在被作为一项长期选项而开展。”
Based on the process of energy absorption and distribution between blade and shell, the mechanism of blade with high-speed impacting containment ring was further understood.
根据撞击过程中能量的分配与吸收，进一步弄清了叶片高速撞击机匣的机理。
Based on the process of energy absorption and distribution between blade and shell, the mechanism of blade with high-speed impacting containment ring was further understood.
根据撞击过程中能量的分配与吸收，进一步弄清了叶片高速撞击机匣的机理。
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