单词 | top dead center |
释义 | top dead center in Automotive Engineering (tɒp dɛd sɛntər) or TDC noun (Automotive engineering: Vehicle components, Engine, transmission, and exhaust) dead center, bottom dead center Top dead center is the position of an engine's piston when it is at the very top of its stroke. The piston has moved up towards the top dead center. The piston is said to be at top dead center when it has moved to a position where the cylinder volume is a minimum. The maximum pressure from combustion should be present when the piston is at 10 degreesto 20 degrees after top dead center. |
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