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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
    Manholes are generally found in urban areas, [2] in streets and occasionally under sidewalks In rural and undeveloped areas, services such as telephone and electricity are usually carried on utility poles or even pylons rather than underground
  • 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
  • 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, and What are the Parts of a Manhole?
    Discover the essential role of manholes in urban infrastructure Learn about their design, types, and maintenance, including access covers, safety features, and inspection procedures Explore the
  • 3 Types of Manholes in the US | Manhole Casting
    Today, we’ll explore the three most common types of manholes and their features, to understand where and why they should be used What are the three types of manholes? There are three types of manholes currently in use throughout the US: Shallow, Normal, and Deep
  • 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
  • 3 Types of Manholes : The Ultimate Guide for Manholes, Purpose . . .
    Manholes are built primarily for trenchless rehabilitation of the sewer system, drainage system inspection, cleaning of clogged lines, and maintenance purposes Manholes are also used as a first step for entering the interior of a sewer line to identify problems with it and to replace damaged pipes without the need for digging
  • Manhole : Types and Functions - Civil Engineer DK
    What is a Manhole? A manhole is a vertical chamber built underground that provides access to sewer lines, stormwater drains, water pipelines, or utility cables Its top is sealed with a strong manhole cover to ensure safety and prevent odours Manholes have existed since the earliest sewer systems
  • What Is a Manhole and Why Does It Matter? — Brooks Hauling
    A manhole is simply a vertical access point that lets crews safely reach the storm drains, sewer lines, and drainage systems running beneath the ground These structures are made from strong precast concrete and are built to handle everything from daily vehicle traffic to years of weather and wear





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