concealed conduit 中文意思是什麼
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Works on the building of the concealed conduit started on 28th august
64億元免息貸款，興建密封式供水管道。 -
In order to prevent dongjiang water being contaminated on the way to hong kong, the guangdong authorities proposed the construction of a 83 - km concealed conduit from qiaotou town of dongguang to the shenzhen reservoir. the estimate cost would be as high as 4. 7 billion rmb
廣東省政府建議興建自東莞橋頭鎮直達深圳水庫、全長83公里的封閉管道，避免東江水在運港途中受到污染，預計工程費用高達47億人民幣。
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