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31. | edge butt joint |
| 边缘对接 |
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32. | rotary abutment pump |
| 旋转隔板泵 |
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33. | abutment oil ring |
| 无开口间隙的油环 |
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34. | oblique halving |
| 斜对接 |
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35. | abutment tool block |
| 刀架挡板 |
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36. | butt-jointed seam |
| 对接焊缝 |
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37. | abutment of arch |
| 拱座 |
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38. | joggled butt joint |
| 啮合对接 |
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39. | abutment of dam |
| 坝座 |
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40. | alignment detail |
| 对接详图 |
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