W 'th a ring type receiver at the top the night, of the lightning rod can be reduced and the degree of reduction is proportional to the radius of the ring.
顶部装有环形受雷器避雷针的高度可以降低，降低幅度与环半径成正比。
In addition, the characteristics of wind pressure distributions on the roof with the openings at the top are studied, which indicates that the wind loads on th...
还研究了在顶部开洞情况下屋盖表面的风压分布特性，结果表明开洞后屋盖上的风压有一定程度的降低。
Lift th top of your sternum straight toward the ceiling.
把胸骨的上端向天花板的方向提。
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