The excavation size is not enough: Cable trench bottom width should be increased as per construction needs.

开挖尺寸不足：电缆沟底部的开挖宽度，应根据施工需要增加工作面宽度。

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The excavation size is not enough: Cable trench bottom width should be increased as per construction needs.

开挖尺寸不足：电缆沟底部的开挖宽度，应根据施工需要增加工作面宽度。

youdao