| 1. | Concrete teeth and lancing two - purpose machine
混凝土刻纹切缝两用机 |
| 2. | On the slit - charge similar model experiment
切缝药包相似模型试验研究 |
| 3. | Sj - qf type automatic pp woven bags cutting and sewing machine , cutter
Sj - qf编织袋自动切缝机 |
| 4. | Applying blasting technique by slot cartridge to improve smooth - blasting quality
应用切缝药包爆破技术提高巷道光面爆破质量 |
| 5. | Concrete joint cutter
混凝土切缝机 |
| 6. | The maximal tension stresses in surface and base between induced crack have been obtained by parametric analysis
通过结构参数分析掌握了预切缝间面层、基层中最大拉应力的分布规律。 |
| 7. | Thirdly , taking into account thermal stress , friction between surface and base and friction between base and soil , a mechanical model representing the pavement including induced crack is founded
第三，在充分考虑到温度应力以及面层与基层、基层与土基之间的摩擦等因素后，建立了基层含预切缝路面的受力模型。 |
| 8. | Then , taking the maximal tension stress in surface and base and the stress intensity factor at the top of the induced crack as restraining indexes , method to determine the reasonable induced spacing has been determined
然后以预切缝上端应力强度因子、面层与基层内的最大拉应力为约束指标建立了合理预切缝间距的确定方法。 |
| 9. | In this paper , linear fracture mechanics is employed to give a full analysis to the mechanism of reflective crack ' s propagation and the reasonable spacing of the induced crack technology is studied as well
本文运用线弹性断裂力学理论对反射裂缝的扩展机理进行了全面分析，对基层预裂技术中合理切缝间距的确定方法进行了研究。 |
| 10. | On the other hand , water jet machining is no contact with parts , flexible , reasonably precise , narrow kerf width , less waste of materials , no contamination , easy to integrate cnc to precisely cut any materials with complicated shapes
另一方面，水射流切割无（机械）接触，适应性好、切割表面精度高、切缝窄、材料损耗少、清洁无污染，配合数控执行机构可精确切割加工任意复杂形状工件。 |
