They propped the old tunnel up with new timbers.

他们用新的木梁支撑旧坑道。

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The enlarging or reconstruction requirement of existing tunnel, which can be divided into increases based on traffic flow, new ventilation or escape space, old tunnel reinforcement and so on.

既有隧道的扩挖或改建需求，大致可分为基于交通量增加、新增通风或逃生空间、老旧隧道维修补强等。

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They portray two old guys facing terminal illnesses who goad each other into accomplishing some long held fantasies as they stare down that long tunnel with the white light at the end.

影片刻画了两位罹患绝症的老人，他们相互激励，相约实现各自心中长久以来保留的梦想，最后目光定在长长的隧道尽头的白光，垂下了双眼。

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Until then, the No. 1 train will roll through the century-old tunnel as it loops around its last, lower Manhattan stop before heading uptown again.

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The standoff ended when French troops escorted rebels into Mr. Gbagbo's presidential palace, where he had been hiding in an old tunnel that connects the palace to France's embassy.

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So commuters are riding on a mix of old and newer trains that share a tunnel under the Hudson running on two tracks built as recently as 1910.

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