| 摘要 |
<p>The system has a ball hardness testing section (30) for determining course or effort law during a selection operation of a speed or passage operation of the speed, and a ball hardness testing bush provided with a fixed body and a guiding ball. The section is placed under the guiding ball by subjecting to a pressure during passage or selection of the speed. The ball hardness testing section includes a secondary section guiding movements of the ball hardness testing during movements of the passage operation of the speed.</p> |
