| 单词 | rocker bearing |
| 释义 | > as lemmasrocker bearing rocker bearing n. ΚΠ 1858 U.S. Patent 19,464 2/2 Combining with the semicylindrical steam chest..a small rocker bearing. 2008 Pittsburgh (Pa.) Post-Gaz. (Nexis) 2 Oct. w7 The estimated $141,000 necessary for permanent repairs to the bridge's expansion joints and rocker bearings. < as lemmas |
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