spring track

Jack on the fence for a week last spring before he finally joined the track team.

杰克去年春天经过了一周的考虑,最后决定加入田径队.

Just then I saw the captain's weapon spring to his shoulder and track a moving object through the bushes.

这时候，我看见船长的枪急急顶在肩上，对着丛林间一个正在走动的东西瞄准。

Calculation of Pre-tension for Track Tensioning Device Calculation of the Air-actuated Spring Lift Force

履带张紧装置预紧力的计算气弹簧举力计算

How to determine main parameter of buffering spring for track tensioning device

履带张紧装置缓冲弹簧主要参数的确定

Ten boys went out for track that spring.

那年春天有10个男孩参加田径选拔赛。

Mainly analyzed of maglev test track structure dynamic response under different conditions, and researched on the application of equivalent spring in Maglev Test Track Structure of rigid-flexible coupling vibration.

主要分析不同工况下磁浮试验轨道结构动力响应差异，研究等效弹簧在磁浮试验轨道结构刚-柔耦合振动中的应用。