| 单词 | top dead centre |
| 释义 | > as lemmastop dead centre top dead centre n. (see quot. 1978).ⓘ ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [noun] > distance of parts top dead centre1924 TDC1938 1924 E. C. M. Shepherd Motor Car ii. 23 When a piston is at the top of its stroke..on the point of changing from an upward motion to a downward motion, it is said to have reached top dead centre. 1978 Vocab. Reciprocating Int. Combust. Engines (B.S.I.) (1979) 7 Top dead centre, dead centre when the piston is farthest from the crankshaft. < as lemmas |
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