When girder bridge is widened, a combined bridge is formed consisting of both new and old girders.

梁桥经过拓宽改建，形成了新、老梁体拼接的组合桥。

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When girder bridge is widened, a combined bridge is formed consisting of both new and old girders.

梁桥经过拓宽改建，形成了新、老梁体拼接的组合桥。

youdao