更多参数如配配套法兰板、导轨尺寸可点击对应型号查看：
2.054 | 2.055 | 2.056 | 2.058 | 2.061 | 2.062 | 2.063 | PR2.054 | PR2.055 | PR2.056 | PR2.058 | PR2.061 | PR2.062 | PR2.063 |
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