说明了皮带自动张紧装置的工作原理，带蓄能器的动力源能缓冲系统压力变化，从而使皮带的张紧力保持稳定。
The work principle of belt tensioning device is explained. Power source incorporating accumulator can damp pressure variation of the system, hence to keep the stable tension of the belt.
说明了皮带自动张紧装置的工作原理，带蓄能器的动力源能缓冲系统压力变化，从而使皮带的张紧力保持稳定。
The work principle of belt tensioning device is explained. Power source incorporating accumulator can damp pressure variation of the system, hence to keep the stable tension of the belt.
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