tunnel top line 中文意思是什麼
tunnel top line
解釋
隧道頂線-
On top of that, the mtr island line tunnel and other infrastructural facilities are already underground. therefore, it is impossible to build the bypass on existing land
但由於現時中環大廈林立,地底已有地鐵港島線隧道及其他基建設施,中環灣仔繞道不可能在現有的土地上興建。
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