单词 | main centre |
释义 | > as lemmasmain centre main centre n. Engineering the shaft in a side-lever engine on which the side levers vibrate. ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > steam engine > [noun] > parts of > other parts fire door1765 hand gear1805 throat pipe1824 cataract1832 cut-off1849 coil1852 pot-lid1856 main centre1858 trunk1859 piston sleeve1872 1858 R. Murray Marine Engines (ed. 3) 231 Main centre, in side-lever engines, is the strong shaft upon which the side levers vibrate. < as lemmas |
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