| 单词 | pipe bender |
| 释义 | > as lemmaspipe bender pipe bender n. a machine or device used for or in bending or moulding a metal pipe. ΚΠ 1864 Sci. Amer. 23 Dec. 411/4 Pipe bender. a1884 E. H. Knight Pract. Dict. Mech. Suppl. 683/2 Pipe Bender, a mandrel consisting of a strong closely-wound steel helix of uniform exterior diameter and somewhat longer than the pipe to be bent. This is thrust into the pipe and keeps it from being distorted. 1992 Pract. Householder Nov. 28/2 Pipe benders are worthwhile for jobs such as central heating where slow bends are preferable to fittings. < as lemmas |
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