To cope with the increasing demand for utility services and maintenance work,utility companies often have to excavate the carriageways and footpaths to lay more pipes,cables and ducts,and to carry out repair work.
英
美
- 為應付公用設施及維修工程方面日益增加的需求，公用事業(yè)公司須經(jīng)常挖掘行車(chē)道和行人路，以便敷設更多喉管、電纜及管道，以及進(jìn)行修理工程。
