The super anti-weary glass plates and cutting rings made of hard alloy greatly prolonged the service life the weary parts. cutting ring with self-compensating wear-resisting ring.
—眼镜板和耐磨环采用硬质合金，耐磨性好，且更换方便，耐磨环具有磨损后自动补偿间隙功能。
The super anti-weary glass plates and cutting rings made of hard alloy greatly prolonged the service life the weary parts. cutting ring with self-compensating wear-resisting ring.
—眼镜板和耐磨环采用硬质合金，耐磨性好，且更换方便，耐磨环具有磨损后自动补偿间隙功能。
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