| 1. | one of the earliest means of raising was mulch decomposition.
最早增加的方法是利用地面覆盖肥料的分解。 |
| 2. | Polyethylene blown mulch film for agricultural uses
聚乙烯吹塑农用地面覆盖薄膜 |
| 3. | Two thirds of the ground is covered with snow
三分之二的地面覆盖着雪。 |
| 4. | Resilient floorcoverings . determination of overall thickness
弹性地面覆盖物.总厚度测定 |
| 5. | Railway rolling stock . rubber floor coverings
铁路车辆.橡胶地面覆盖物 |
| 6. | Resilient floor coverings - specification for corklinoleum
弹性地面覆盖物.软木衬油地毡规范 |
| 7. | Resilient floorcoverings . determination of the thickness of layers
弹性地面覆盖物.层厚度测定 |
| 8. | Resilient floor coverings - agglomerated cork underlays - specification
弹性地面覆盖物.聚合软木垫.规范 |
| 9. | Resilient floor coverings - determination of wear resistance - frick - taber test
弹性地面覆盖物.耐磨性的测定. frick - taber试验 |
| 10. | Resilient floor coverings . determination of residual indentation after static loading
弹性地面覆盖物.加静负载后剩余凹陷的测定 |
