Trench refers to a long trench dug around buildings or indoor ground, which is usually used for drainage and waterproofing. The function of the trench is to collect rainwater and sewage on the ground and guide them to sewers or sewage treatment facilities. Ground communication often uses materials such as concrete or masonry, which has high bearing capacity and durability.
Drainage ditch refers to a long ditch dug in roads, squares, factories, farmland and other places to discharge rainwater and wastewater. Drains are usually made of concrete or stone, which has high bearing capacity and durability. The function of drainage ditch is to collect and discharge rainwater and wastewater, prevent water from soaking the ground and keep the ground dry and flat.
Although gutter and drainage ditch are both ditches used for drainage, their use places and functions are different. Ground communication is mostly used around buildings or indoor ground, while drainage ditches are usually used in roads, squares, factories, farmland and other places. In addition, ground communication is often used to collect rainwater and sewage, while drainage ditches are usually used to discharge rainwater and sewage.