Stamina and ballast and all that.

耐力和镇流器等等。

There was a stability, a ballast, in Phillotson's pronouncement which restrained his friend's comment.

Phillotson 的声明中有一种稳定性， 一种镇流器， 抑制了他朋友的评论。

The 9 Series Tractor eases timing challenges and offers unprecedented power, ballast options, and precision.

9 系列缓解了计时挑战，并提供前所未有的功率、镇流器选项和精度。

During the summer season, railway tracks tend to expand due to the heat. Track ballast helps keep this heat expansion to a safe minimum, ensuring the efficacy and safety of the track.

在夏季，由于高温，铁路轨道往往会扩张。赛道镇流器有助于将这种热膨胀保持在安全的最低限度，确保赛道的有效性和安全性。