floor topping 中文意思是什麼
floor topping
解釋
樓板面層-
Three years in the making and topping $ 30 million in cost, the 30, 000 - square - foot skywalk, which will open march 28, will allow 120 visitors at a time to walk out over the grand canyon rim to look at the gorge through glass walls and through a glass floor at the bottom of the canyon, nearly four - fifths of a mile below
施工三年,花費超過三千萬美元,佔地三萬平方?的空中步道將在3月28日開放,一次將容許120名遊客走在峽谷邊緣上頭,透過玻璃墻及位於將近五分之四哩下方峽谷底部的玻璃地板俯瞰峽谷。
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