bottom dead centre
柯林斯詞典
1. N the position of the crank of a reciprocating engine when the piston is at its nearest point to the crankshaft 下止點(diǎn) (Also called outer dead centre)[engineering]
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1. N the position of the crank of a reciprocating engine when the piston is at its nearest point to the crankshaft 下止點(diǎn) (Also called outer dead centre)[engineering]