英语词汇“upper dead centre”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	upper dead centre
释义	upper dead centre 基本例句上死点; 上止点 The spark is therefore timed to occur before the piston reaches top dead center, otherwise maximum pressure would not be reached in time.因而，在活塞到达上死点前，火花便会发生，否则就不可能适时达到最高的压力。
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