| 单词 | expansion-gear |
| 释义 | > as lemmasexpansion-gear expansion-gear n. an apparatus for cutting off steam from the cylinder at a given point of the stroke. ΚΠ 1850 Pract. Mech. Jrnl. 3 28 (heading) Whitelaw's steam-engine expansion gear. 1875 R. F. Martin tr. J. Havrez On Recent Improvem. Winding Machinery 80 MM. Scohy and Crespin add to the regular form of cylinder the expansion gear of M. Meyer. < as lemmas |
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