校舍呈中空四边形，中央为运动场。
The school building formed a hollow square, with a playground in the middle.
校舍呈中空四方形，中央为运动场。
The school buildIngs formed a hollow square, with a playground In the middle.
研究了强制风冷中空气入口侧三角形肋片边缘形状对散热器换热性能和流动阻力的影响。
The effects of the air incoming velocity and the heat sinks structure on the comprehensive performance were investigated.
非对称冷却成形法是制造螺旋形三维卷曲涤纶中空短纤维的有效方法，冷却成形条件是纺丝过程的技术关键。
Unsymmertrical quenching is an effective method to prepare spiral three-dimension-crimp PET hollow fiber. Quench forming condition is the key technique in spinning.
本发明公开了一种头部碰撞吸能装置，连接在汽车仪表板本体上，为框架形结构，包括一容纳气囊模块的中空腔体。
The head collision energy absorbing set connected to the switch board of automobile is one frame structure including one hollow cavity to hold the air bag assembly.
所述波纹形外壁间设置的加强筋为中空结构。
The reinforcing rib arranged in the corrugated outer wall adopts a hollow structure.
所述波纹形外壁间设置的加强筋为中空结构。
The reinforcing rib arranged in the corrugated outer wall adopts a hollow structure.
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