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单词 θ3342
释义
the world > the earth > water > lake > pool > [noun] > artificially confined water > contrivance for impounding water > gate, lock, or sluice > other parts of (6)
apron1721

Also in many technical uses. At the bottom of a sluice or entrance to a dock: A platform placed so as to intercept the fall of water, and prevent…

pointing door1744

one of a pair of sluice doors which close against each other to form a point, so as to resist the pressure of the water.

penstock1763

Originally and chiefly U.S. A channel, trough, or tube for conveying water from a lake, dam, etc., esp. to a waterwheel or turbine.

lock seat1787

an area excavated for the construction of a canal or river lock.

rymer1794

A post in a weir or lock, in or on which a paddle works up and down.

trip-sill1905

see quot.

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更新时间:2024/12/23 13:29:49