| 单词 | halflap |
| 释义 | > as lemmashalf-lap half-lap v. [lap n.3 2b] to make a half-lap joint. ΚΠ 1825 ‘J. Nicholson’ Operative Mechanic 653 The reason for making the joints half-lapped, or scarfed, [etc.]. 1844 H. Stephens Bk. of Farm II. 296 They are half-lapped in pairs at the centre. half-lap half-lap n. (see lap n.3 2b). half-lap b. half-lap: an arrangement for the joining of rails, shafts, etc., consisting in cutting away half the thickness of each of the two ends to be joined, and fitting them together. Also attributive. ΚΠ 1816 W. Losh & G. Stephenson Specif. Patent 4067 6 The half lap joinings of the rails. 1825 N. Wood Pract. Treat. Railroads (1838) 42 [The rails] are now formed with a half-lap. 1875 J. Lukin Carpentry & Joinery 71 The half lap dovetail..has this one advantage, that [etc.]. < as lemmas |
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