adding spacer
添加垫片
以上为机器翻译结果，长、整句建议使用 人工翻译 。
By changing the fixed knife material, adding spacer, repairing the moving knife front and back Angle, transforming the casting bond into double one, the effects were obvious.
通过更换定刀材质，加放垫片，动刀修复前后角，改为双铸带头等后，效果显著。
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模块上移
模块下移
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