counter life
1.The life force is vigorous.The delight that accompanies it counter-balances all pains and hardships,that confront men.
2.The life force is vigorous. The delight that accompanies it counter-balances all the pains and hardships, that confront men.-Somerset Maugham
4.A new pure rolling fatigue life tester of balls with three point contact is developed,which mainly consists of driving device,driven device and loading device,and the temperature,vibration and the running times are respectively measured by thermal couple,acceleration transducer and counter in additive device.

