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单词 θ61580
释义
the world > physical sensation > cleanness and dirtiness > clearing of refuse matter > [noun] > clearing drain or sewer > device for (3)
grate-iron1750

(a) = gridiron, n.; (b) see quot. 1750.

plunger1885

A thing which plunges or may be plunged; esp. an instrument or part of a mechanism which works or is… Plumbing. A device consisting of a flexible…

force cup1907

a rubber cup attached to a handle which by creating a vacuum in a blocked drain is used to clear it.

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更新时间:2025/1/11 12:08:57