The 300-meter-span spherical surface latticed shell was composed by self-balanced prestressed cableand strut elements in kweitt grid mode.是什么意思_The 300-meter-span spherical surface latticed shell was composed by self-balanced prestressed cableand strut elements in kweitt grid mode.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句