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Показувати елементи керування програвачем
Автоматичне відтворення
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What does this prove?
This shows independent of all other variables like lane surface, lane oil and coverstock, how fast the ball's core will respond to friction. it's a standardization.
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What does this prove?
This shows independent of all other variables like lane surface, lane oil and coverstock, how fast the ball's core will respond to friction. it's a standardization.
???