| 单词 | striking wedge |
| 释义 | > as lemmasstriking wedge striking wedge n. ΚΠ 1844 Civil Engineer & Architect's Jrnl. 7 246/2 The striking-wedges were of seasoned oak, well greased. 1845 P. Barlow Manuf. in Encycl. Metrop. VIII. 95/2 This acting upon the surface of the striking wedges equal to 540 square feet gives a pressure of 140 pounds per square inch. 1876 Encycl. Brit. IV. 311/2 Figure 55 shows the striking plates and wedges by which the centre is lowered after the completion of the arch. < as lemmas |
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