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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
  • 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- 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
  • 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?|Types of Manholes|Purpose of Manhole|Components of . . .
    A manhole is an access point inside the sewer line for materials and workers It is the most important part of the sewer line because it eliminates the need for digging, and it is also known as an inspection chamber or unit
  • 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
  • 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
  • What is a Drainage Manhole? - Project Infrastructure
    Drainage manholes are vertical access shafts that connect the surface to an underground stormwater drainage system Typically constructed from materials like concrete, precast segments, brickwork, or reinforced plastics, these manholes are built to withstand significant load stresses from both water flow and surface traffic
  • What is a Manhole in Construction?
    A manhole is a small, circular or rectangular opening in the ground that allows workers to enter or access underground systems It is typically covered by a manhole cover to prevent accidents and to ensure safety





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