Canal - Wikipedia
网页Canals or artificial waterways are waterways or engineered channels built for drainage management (e.g. flood control and irrigation) or for conveyancing water transport vehicles (e.g. water taxi). They carry free, calm surface flow under atmospheric pressure, and can be thought of as artificial rivers.
canals and inland waterways - Encyclopedia Britannica
网页2024年9月2日 · Transport by inland waterways may be on navigable rivers or those made navigable by canalization (dredging and bank protection) or on artificial waterways called canals. Many inland waterways are multipurpose, providing drainage, irrigation, water supply, and generation of hydroelectric power as well as navigation.
CANAL中文(简体)翻译：剑桥词典 - Cambridge Dictionary
网页canal noun [C] (TUBE IN BODY) medical specialized. a narrow tube through which air, fluid, or other substances can pass. 管，道. The alimentary canal is the path by which food …
canals是什么意思_canals的翻译_音标_读音_用法_例句_爱词霸在线 …
网页[kəˈnælz] 释义. n. 运河 ( canal的名词复数 ); 管道; 气管; 食道. 大小写变形: Canals. 实用场景例句. 全部. These restored houses overhang a system of quiet canals. 这些修葺一新的房屋俯视着静静流淌的运河河网。 柯林斯例句. Many canals were built along map grid lines. 很多运河是按照地图上的坐标线开凿的。 柯林斯例句. The city is criss-crossed with canals. 这座城市里运河纵横交错。 《牛津高阶英汉双解词典》
Canals and inland waterways - US History, Construction, Navigation
网页2024年9月2日 · Canals and inland waterways - US History, Construction, Navigation: In the United States, canal building began slowly. Only 161 km (100 miles) of canals had been built at the beginning of the 19th century, but before the end of the century more than 6,437 km (4,000 miles) were open to navigation.
Canals and inland waterways - Engineering, Construction, …
网页2024年9月2日 · Fundamentally, waterways fall into three categories, each with its particular problems: natural rivers, canalized rivers, and artificial canals. On natural rivers, navigation is subjected to seasonal stoppages from frost, drought, or floods, all of which lead to channel movements and to the formation of shoals.
What is a canal? - NOAA's National Ocean Service
网页A canal is a human-made waterway that allows boats and ships to pass from one body of water to another. Canals are also used to transport water for irrigation and other human uses.
The Canal Era - National Canal Museum
网页The canal era began in Pennsylvania in 1797 with the Conewago Canal, which carried riverboats around Conewago Falls on the Susquehanna River near York Haven. Spurred by construction of the Erie Canal (construction between 1817 and 1825) and the perceived competitive advantage it would give New York State …
Where, Who, How? - The American Canal Society
网页Exploring the Old Welland Canals, This map is a geographic guide to the remnants of the previous versions of the Welland Canal. If you plan to use it to explore the previous canal routes I highly recommend you do so in conjunction with the web site “The Old Welland Canals Field Guide” which is hyperlinked frequently in this map and is the ...
Welcome to the NYS Canal System | NYS Canals
网页We're the nation's largest state-run inland waterway system—operating since 1825 and including the Erie, Champlain, Oswego & Cayuga-Seneca canals—plus more than 150 miles of recreational trails.