... 无承梁转向架：Bolsterless Bogie 无衬砌隧道：unlined tunnel 无潮河川：tideless river ...
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如图纸无特殊要求，衬砌背后之流水应排入隧道内侧排水沟或中央排水管内。
When there are no particular requirements on the Drawings, water flow behind the lining shall all be drained into the inner side ditch of the tunnel.
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