It’s easy to remove them, but it’s best to take a pair of sharp scissors or an Xacto knife to remove any rough edges.
拆卸零件很容易，但最好是用剪刀或Xacto刀（注：美工刻刀的一种）来去除粗糙的边缘...
After spinning it is polished to remove any sharp edges that could damage the valves.
后纺是抛光，以消除任何锋利的边缘，可能损害阀门。
Minor dental work may be necessary to remove injured tissue and reduce sharp edges of the bone.
可能需要小的牙科手术来移除受损组织，减少骨头的尖锐边缘。
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