| 单词 | planer-bar |
| 释义 | > as lemmasplaner-bar ΚΠ 1875 E. H. Knight Amer. Mech. Dict. III. 1725/2 Planer-bar, a device attached to a planer for the purpose of effecting in part the work of a slotting or shaping machine. 1876 Official Catal. Internat. Exhib. (U.S. Centennial Exhib.) 34/2 Planer bar, doubles the capacity, of iron planers; reaches through work. < as lemmas |
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