Thee 'Top Chain' requires no tensioner pulley due to the eccentric Bottom Bracket.

在'顶链'不要求拉紧滑轮由于偏心中轴。

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The hopper elevator is a kind of single bucket elevator, which is composed of a hopper, a rail and a bracket, a traction winch and a pulley.

料斗升降机是起重机械中的一种单斗提升的升降机，一般由带走轮的料斗、轨道及其支架、牵引绞车和滑轮组成。

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The hopper elevator is a kind of single bucket elevator, which is composed of a hopper, a rail and a bracket, a traction winch and a pulley.

料斗升降机是起重机械中的一种单斗提升的升降机，一般由带走轮的料斗、轨道及其支架、牵引绞车和滑轮组成。

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