The whole construction project of Chengyu Railway was under the extremely difficult condition of lacking mechanical equipments._精华吧

The whole construction project of Chengyu Railway was under the extremely difficult condition of lacking mechanical equipments.

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The whole construction project of Chengyu Railway was under the extremely difficult condition of lacking mechanical equipments.

A.正确

B.错误

正确答案：正确

Tag：中外铁路文化之旅时间：2022-01-14 21:30:14

上一篇：Before 1949, there were about 23,500 kilometers railway constructed and were all in service.
下一篇：The first locomotives were diesel powered.

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