| 单词 | top dead-centre |
| 释义 | top dead-centrenounengineering the position of the crank of a reciprocating engine or pump when the piston is at the top of its strokeAbbreviation: t.d.c. Words nearby top dead-centretop boot, top brass, topcastle, top cat, topcoat, top dead-centre, top dog, top dollar, top-down, top drawer, top-dress Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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