Sumeru waist-base, hollow tower, the coupons have a positive arch, the upper part of the tower for Corbel caisson.是什么意思_Sumeru waist-base, hollow tower, the coupons have a positive arch, the upper part of the tower for Corbel caisson.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句