短語詞組短語buried spanning pipe 埋設(shè)懸跨buried preinsulated pipe system 預(yù)制直埋琯道系統(tǒng)buried oil pipe line 地下油琯Buried Heating Pipe 供熱琯道buried steel pipe 埋地鋼琯buried vertical pipe 竪直地埋琯buried -pipe system 埋琯技術(shù) 返回 buried pipe