管道guǎndàopipeline; tube; (fig.) channel or meansHSK 6PronunciationguǎndàoExample sentence天然气通过管道输送到各家各户。tiānránqì tōngguò guǎndào shūsòng dào gè jiā gè hù.Natural gas is delivered to every household through pipelines.Read and choose an answerOne fixed sampleExplore a sample