The large central tunnel which houses the batteries is undoubtedly the heart of the vehicle and contains all the switches and controls.

座椅中间宽阔的副仪表台底下安装了电池组，这是整车的心脏部位，含有各种开关和控制键。

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Today, however, visitors enter through the central tunnel and, in doing so, one gets a first glimpse of the vast spaces and grand structures within the Forbidden City.

然而今天，游客们可以从中间的门洞进入，这样一来，我们终于首次看到了这宽广宏伟的紫禁城。

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Hundreds of people were evacuated from its two 200-metre sections in the space of 20 minutes, to take refuge in a central service tunnel.

数百人在20分钟内从200米长的车厢中疏散出来，避难到隧道的一个中央服务站。

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And yet the central tunnel is bare carbon fibre and you have elbow-room aplenty.

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Sabarmati Central Jail superintendent VM Parghi said the tools used to dig the tunnel had not yet been found.

BBC: Indian officials find tunnel at Sabarmati jail