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单词 riding part
释义

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riding part
riding part n. Obsolete (in most designs of simple scissors) each of the two elevations (one on each side) of the touching inner surfaces of scissor blades, behind the screw or rivet, which incline the slightly bowed blades towards each other at an angle that gradually changes as the blades are brought together during a cut, so that successive parts of the blade edges come into contact with each other.
ΚΠ
1846 C. Holtzapffel Turning & Mech. Manip. II. 908 Close behind the screw-pin by which they [blades of scissors] are united, there is a little triangular elevation... This enlargement or bulge is technically called the ‘riding-part’.
1874 O. Byrne Pract. Metal-workers' Assistant (rev. ed.) xx. 355 These scissors are made without the riding part.
extracted from ridingadj.
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更新时间:2025/2/3 14:48:44