| 1. | A planar film of refractive index nf is sandwiched between a substrate and a cover material .
折射率为nf的平面薄膜夹在感光衬底和覆盖层之间。 |
| 2. | Wind resistance of prepared roof covering materials
预制屋面覆盖材料的抗风阻力 |
| 3. | Impact resistance of prepared roof covering materials
预制屋顶层材料的抗冲击性 |
| 4. | Cover material : abs engineer plastic
外壳材料： abs工程塑料 |
| 5. | Standard for safety for tests for fire resistance of roof covering materials
屋顶层材料防火试验的安全标准 |
| 6. | Cover material is abs plastic
外壳材料采用abs 。 |
| 7. | Flexible - membrane - lining and floating - cover materials for potable water storage
便携式储水装置柔性薄膜衬和浮动盖材料 |
| 8. | 2 . harvest cover material
2 .农用遮覆材料 |
| 9. | Upholstery cover material
家具覆盖材料 |
| 10. | Test method for ignition characteristics of finished textile floor covering materials
精制纺织地板覆盖物着火特性试验方法 |
