In July Toyota unveiled a concept bicycle, the PXP, with a thought-controlled gear-shiftmechanism.
七月份丰田首次发布了一款概念自行车PXP，它带有一个思维控制的传动移位机械装置。
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The shiftmechanism incorporates a larger internal roller and stronger shift-spring tension for more positive shifting.
这种转变机制，内部集成了一个更大更强的转向辊，弹簧张力更积极的转变。
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In case of stalled main shaft, the static cutting tool carrier may be shifted automatically with the shiftmechanism to avoid jamming and ensure the normal technological process.