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We're maybe where civil engineering and bridge building was 100 years ago.
这个水平可能与土木工程和桥梁学,一百年前的研究水平相同
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- 来自原声例句
We're maybe where civil engineering and bridge building was 100 years ago.
这个水平可能与土木工程和桥梁学,一百年前的研究水平相同
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