Wet sprayed concrete for supporting purposes during the drive, in situ concrete for the up to 3 m thick Base and for lining the vault.

掘进过程中的支护采用湿喷混凝土，3米厚的基底和穹拱衬砌采用浇注混凝土。

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Although some Beijingers complained that the fare is too high, would-be passengers began lining up for tickets at 4:30 a. m. on Thursday morning, eager to be among the first on board.

尽管一些北京人抱怨票价太高，但感兴趣的游客们仍在周四早上4：30就开始排队买票，希望先坐为快。

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"People started lining up at 5 p.m. and spent the night at the polling stations, " said Delalorm Sesi Semabia, 25, an oil company employee who lives in the capital, Accra.

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Spectators began lining up Friday at 1 a.m.

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