| 1. | Soundness of the rock surface must be included in the topographic study . 岩石表面的坚固性,必须包括在地形研究之内。 |
| 2. | If the gouge layer is thin, contact between asperities on the rock surfaces can occur . 如果充填物层很薄,两个岩石表面上的凸起物就有可能互相接触。 |
| 3. | Old bolts must not be left protruding from the rock surface 留在岩壁上的老旧固定支点决不能凸出岩面。 |
| 4. | Feature flat coloured patches on rock surfaces and tree trunks 形状扁平,颜色灰沉,丛生于大石及树干。 |
| 5. | Surface plates ; natural hard rock surface plates ; requirements and testing 平板.天然硬石平板.要求检验 |
| 6. | Bottom hole rock surface 井底岩面 |
| 7. | Whenever possible , avoid walking on wet rock surfaces , muddy paths and sandy badland 避免行走在湿滑石面,泥路或满布沙粒的劣地上。 |
| 8. | Formation process for glossiness on rock surface machined with synthetic diamond abrasives 人造金刚石加工中岩石表面光泽形成过程研究 |
| 9. | Measuring adsorption of cationic surfactant on rock surface by ultraviolet spectrophotometer 分光光度法测定阳离子表面活性剂在砂岩表面的吸附 |
| 10. | Hikers sustain a fall easily when going down a slippery path . wet rock surfaces , muddy paths and sandy badland pose similar hazards 斜滑的山径,好像湿滑的石面、泥路或满布沙粒的乾爽劣地,均容易使远足人仕在 |