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manhole    音标拼音: [m'ænh,ol]
n. 人孔

人孔

manhole
n 1: a hole (usually with a flush cover) through which a person
can gain access to an underground structure

Manhole \Man"hole`\, n.
A hole through which a man may descend or creep into a drain,
sewer, steam boiler, parts of machinery, etc., for cleaning
or repairing.
[1913 Webster]


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  • Manhole - Wikipedia
    A manhole, also called utility hole, maintenance hole, [1] or sewer hole, is an opening to a confined space such as a shaft, utility vault, or large vessel Manholes, typically protected by a manhole cover, are often used as an access point for an underground public utility, allowing inspection, maintenance, and system upgrades
  • Manholes – Types, Components, Construction, and Maintenance
    What is a Manhole? A manhole is a vertical underground chamber that connects the surface to a network of underground utilities like sewer lines or drainage pipes It allows workers to enter and inspect, clean, or repair the system
  • Manholes - Oldcastle Infrastructure
    Concrete manholes are utilized at vault openings or pipe junctions to provide maintenance and inspection access to underground piping systems, meters, and facilities Our precast concrete manhole is perfect for traffic applications, including roadways, parking lots, and pedestrian paths
  • Sewer Basics: Parts of a Manhole - Wincan
    Manholes give personnel and equipment access to sewer lines for inspection, testing and cleaning They are built in areas where there is a change in the sewer line direction, slope, elevation, pipe size and junctions
  • Types of Manholes - Civil Engineer Mag
    A manhole, also known as a utility hole or maintenance hole, is a covered opening in a road or sidewalk that provides access to underground utilities such as sewage systems, storm drains, electrical conduits, or telecommunications infrastructure
  • Manhole cover - Wikipedia
    It is used as an access point for an underground vault or pipe It is designed to prevent anyone or anything from falling in, and to keep out unauthorized persons and material Manhole covers date back at least to the era of ancient Rome, which had sewer grates made from stone
  • What is a Manhole? Its Purpose, Types, Features, Construction
    A manhole is a vertical opening or access point, usually covered with a lid or cover, that provides entry into underground utility systems such as sewage networks, stormwater drainage systems, water supply pipelines, gas lines, and telecommunication cables
  • What is a Manhole- Function, Construction, Materials, and Types of . . .
    A manhole is a covered opening or access point on the surface of a road, sidewalk, or other paved area that provides entry into an underground utility or infrastructure system
  • MANHOLE Definition Meaning - Merriam-Webster
    The meaning of MANHOLE is a hole through which one may go especially to gain access to an underground or enclosed structure
  • Manholes - countymaterials. com
    Manholes are engineered access structures used in sanitary sewer, storm sewer, and utility applications to provide entry, inspection, and maintenance of underground pipelines





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