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要对内径为19.05mm、厚度0.99mm的隔环去毛刺是很困难的,尤其是当隔环的周边不连续时,则更加困难。
It is difficult to deburring a spacer ring having an inner diameter of 19.05 mm and a thickness of 0.99 mm, which is more difficult especially when the perimeter of the spacer ring is discontinuous.