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The application of orthogonal design method in the research of the electric brush was introduced.
介绍了正交设计在电刷研制中的应用。
Repair or replace the electric brush; clean the commutator surface by abrasive paper and blow it clean.
修理或调换电刷，用木砂纸清理整流子表面，并吹净。
The tracing investigations to various engineering machine parts which had been strengthened and repaired by electric brush plating…
对已刷镀强化，修复的各类零部件的跟踪调查表明，这种强化，修复工艺是可靠、经济的。
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