单词 | plate-bolt |
释义 | > as lemmasplate-bolt ΚΠ 1703 R. Neve City & Countrey Purchaser 33 Plate, and Spring-bolts..to fasten Doors and Windows. 1839 Encycl. Brit. XIX. 290/2 One of the most perfect securities for a beam-end..is the plate-bolt... The extreme end of the beam is tied downward by bolts. < as lemmas |
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