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单词 rough string
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rough string
rough string n. Building and Joinery (now rare) (usually in plural) either of the two inclined pieces of timber supporting the steps of a wooden staircase.
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society > inhabiting and dwelling > inhabited place > a building > parts of building > stairs > [noun] > stringers
stair-tree1374
sister1518
rail1679
string1711
carriage1758
rough string1819
notch-board1823
bridgeboard1842
stringer1883
1819 P. Nicholson Archit. Dict. II. 534/2 An horizontal piece of timber..to support the upper ends of the rough-strings.
1842 J. Gwilt Encycl. Archit. ii. iii. 543 The framed timbers which support the steps of a staircase..generally consist of two pieces inclined to the pitch of the stairs, called the rough strings.
1958 Chamber's Techn. Dict. (ed. 3) 46 [The apron piece is] the horizontal timber carrying the upper ends of the carriage pieces or rough-strings of a wooden staircase.
extracted from roughadj.int.
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更新时间:2025/1/24 17:51:34