| 单词 | pivot span |
| 释义 | > as lemmaspivot span pivot span n. that span of a bridge which turns or opens on a pivot. ΚΠ 1870 O. Chanute Kansas City Bridge 118 (table) Timber in..pivot span. 1935 Lima (Ohio) News 23 Dec. 2/1 Captain McNair, standing on the open pivot span looking down stream as a tug and its barge tow started thru, heard the bus crash thru the guard rail. 2002 Daily Town Talk (Alexandria, Los Angeles) (Nexis) 16 May 5 b Now that the river is down again, work is being pushed in pulling out the false work which was used in erecting the pivot span of the traffic bridge. < as lemmas |
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