The edge of the disc had been machined smooth.
圆盘的边缘已用机器磨光。
The edge of the disc had been machined flat/smooth.
圆盘的边缘已用机器磨平[光]。
This will prevent damage to the disc sealing edge.
这样可以防止阀瓣密封边缘的损坏。
There were some displacement in edge and middle point of posterolateral disc.
椎间盘后外侧边缘和中点均有位移。
Each disc to have a 2mm hole near the edge.
每个碟子靠近边缘处要有一个2毫米的孔。
Each disc to have a 2mm hole near the edge.
每个碟子靠近边缘处要有一个2毫米的孔。
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