high-low speed change
... high-low limit 高低限值 high-low speed change 高低变速 high-low voltage relay 高低压继电器 ...
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超越离合器系脉动无级变速器的关键部件，其工作能力决定了整机效率的高低、输出扭矩的大小和耐用寿命的长短。
Overrunning Speed Clutch is one of the key pats in impulseStepless Speed Regulators, and working capability depends on the control factor of its mechanism efficiency, twist moment and life - span.
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