IT CONSISTED OF HALF A MILLION CUBIC FEET OF HIGH STRENGTH CONCRETE - TWICE AS EFFECTIVE AS STEEL IN SWAY REDUCTION.

 
  • 地基由五十萬(wàn)立方英尺的高強度水泥建成,這種水泥在減低搖動(dòng)方面比鋼筋要強一倍。
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