| 单词 | dead center |
| 释义 | dead center【机】 固定顶尖, 死顶针 dead center dead center n.（名词）The point at the end of each stroke of a moving crank and connecting rod at which the two lie in the same straight line and the turning force applied by the connecting rod is zero.Also called dead point 死点，正中：一个可移动的曲柄和连接杆间行程末端的一点，此时两者在同一直线上并且连接样所施加的转力为零也作 dead point |
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