释义 |
死点sǐdiǎn机器中的活塞在汽缸内做往复运动时最左和最右(或最上和最下)的位置,叫做死点。处于死点时曲柄不能转动,而需要依靠飞轮的惯性使它通过死点,维持机器的连续运转。{dead centre; either of two positions (leftmost or rightmost, top or bottom) of a piston as it moves back and forth in a cylinder, when the crank is not revolving, and relies on the inertia of the flywheel to maintain its movement}I |