| 1. | The failure study of the wormwheel working surface
冷轧工作辊辊面剥落的失效分析 |
| 2. | Analysis on the failure in working surface of rolling bearing
滚动轴承工作表面失效分析 |
| 3. | Provision of slip resistance on walking working surfaces
步行区工作场所表面防止滑倒的规定 |
| 4. | Feasibility study under water - bearing stratum in 1214 working surface
上工作面含水层下开采可行性研究 |
| 5. | On extracting gas from working surface with high drill holes in wind lane
利用风巷高位钻孔抽采工作面瓦斯 |
| 6. | On the management of corners over amp; below the bolting working surface with crossheadin
顺槽为锚杆支护工作面上下隅角的管理 |
| 7. | Testing and cortrolling methods of grinding badness layer of bearings working surface
轴承工作表面的磨削变质层的检验及控制方法。 |
| 8. | Automatic control device of spray and dust reduction system fully mechanized mining working surface
机采工作面喷雾降尘自动控制系统 |
| 9. | 2 fixed , permanently open horizontal slot shall be provided 17 inches above the work surface
排气槽水平方向离工作台面要有17英寸的距离。 |
| 10. | Observation : no blisters , no cracks nor any surface deformations were observed on the work surface
观测结果：无起泡，裂缝或任何表面变形。 |
