爪形和环形断裂由表面硬度偏高造成，并提出解决断裂问题的合理化建议。
Ungula and ring fracture are due to higher surface hardness. The rational suggestions to settle fracture are put forward.
焊接造成的内部气孔使环形锯丝在该处产生疲劳断裂。
The holes in welding area mainly cause the fatigued wire to break.
其矿床遥感地质影像模式为：受控于北东向和北西向断裂构造交切所夹的环形断块。
The geologic image model of the mineral deposit is annular fault block controlled by northeast and northwest structures.
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