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After the assembly, work break between adjusting steel ring and copper pad's.
装配后调整钢环与铜垫间的工作间隙。
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This point is also circled a ring of copper notches figure. 1.
这一点还盘旋一环铜缺口数字。1。
youdao
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This point is also circled a ring of copper notches figure. 1.
这一点还盘旋一环铜缺口数字。1。
youdao