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| 31. | CAD standard parts file--Specification of geometry and parameters--Revets |
| GB/T15049.3-1996CAD标准件图形文件几何图形和特性规范铆钉 |
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| 32. | Constructing and accepting standard of wood working machine installing engineering |
| 木材加工设备安装工程施工及验收规范 |
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| 33. | Constructing and acceptance standard of wood-based panel machine in stalling engineering |
| 人造板设备安装工程施工及验收规范 |
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| 34. | CAD Standard parts file--Specification of geometry and parameters--Nuts |
| GB/T15049.5-1996CAD标准件图形文件几何图形和特性规范螺母 |
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| 35. | Some dance movements were composed impromptu, which were simple and standard. |
| 又可即兴编舞，舞蹈动作洗练、规范。 |
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| 36. | CAD standard parts file--Specification of geometry and parameters--Pins |
| GB/T15049.4-1996CAD标准件图形文件几何图形和特性规范销 |
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| 37. | CAD Standard parts file--Specification of geometry and parameters--Bolts |
| GB/T15049.6-1996CAD标准件图形文件几何图形和特性规范螺栓 |
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| 38. | CAD standard parts file--Specification of geometry and parameters--Washers |
| GB/T15049.9-1996CAD标准件图形文件几何图形和特性规范垫圈 |
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| 39. | CAD standard parts file--Specification of geometry and parameters--Key |
| GB/T15049.10-1997CAD标准件图形文件几何图形和特性规范键 |
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| 40. | CAD standard parts file--Specification of geometry and parameters--Screws |
| GB/T15049.7-1996CAD标准件图形文件几何图形和特性规范螺钉 |
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