Meaning of guǎn dào:
管道
tubing; pipeline; (fig.) channel; means
Tāmen zhèngzài wéihù fángzi de shuǐ guǎn dào.
他们正在维护房子的水管道。
They are maintaining the water tubing of the house.
Tāmen zhèngzài xiūlǐ dìxià de tiānránqì guǎndào.
他们正在修理地下的天然气管道。
They are repairing the underground natural gas pipeline.
Zhè tiáo xīnjiàn de shuǐ guǎndào tígāo le gōngshuǐ xiàolǜ.
这条新建的水管道提高了供水效率。
The newly built water pipeline has improved the efficiency of water supply.
Shuǐ tōngguò cháng cháng de guǎndào liúrù chéngshì.
水通过长长的管道流入城市。
Water flows into the city through long pipelines.