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1·This paper is a study on the invertibility of the commutator of scalar-idempotent elements and scalar-involutory elements of a unitary ring.

本文研究在一个有单位元的环中两个倍幂等元的换位子与两个倍对合元的换位子的可逆性问题。

2·The insulating rubber sealing layer is stuck on the surface of the unidirectional weftless tape banding layer for the commutator. The ring groove is arranged at the end of the commutator plate.

所述的换向器在无纬带绑扎层表面粘接有绝缘胶泥密封层，在换向片端部有一环状沟槽。

3·Operation (1) Adjust the brush and the collector ring (commutator) before the operation and keep good contact.

操作使用1、使用前调整电刷与集流环(换方器)，使之接触良好。

4·2 check the excitation system, inspect the running state of the slip ring and the commutator.

检查励磁系统，检查滑环和整流子的运行状态。