英语词汇“buried underground pipe line”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	buried underground pipe line
释义	buried underground pipe line 基本例句地下管道 Recently they have laid an underground pipeline.最近他们铺设了一条地下管道。 Small size tunnel driving is a construction technology of underground piping without excavation.小型隧道掘进是一种无需开挖的地下管道施工技术。
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