| 符号 | 数值 | 单位 |
| r1 | 0.3 | mm |
| r2 | 0.15 | mm |
| r3 | 0.1 | mm |
| phi | 120 | degree |
| h1 | 0.5 | mm |
| h2 | 0.3 | mm |
| h3 | 0.1 | mm |
| h4 | 0.2 | mm |
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