短語詞組短語underground engineering pipeline 地下工程管線underground gas pipeline 地下燃氣管道underground colligation pipeline 地下綜合管線underground buried pipeline 埋地管道Underground Water Pipeline Net 地下水管網(wǎng)underground metal pipeline 地下金屬管道urban underground engineering pipeline 城市地下工程管線underground heated pipeline 埋地熱油管道underground d pipeline survey 地下管線測量 返回 underground pipeline