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单词 dead center
释义 dead center
noun
1. : the position of a crank when the turning moment exerted on it is zero; especially : either of the two positions at the ends of a stroke in a crank and connecting rod when the crank and rod are in the same straight line
2. : a center that does not revolve in a machine tool
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更新时间:2025/3/9 23:39:57