| 1. | Thus clays and shales tend to be impermeable . 因此粘土和页岩就往往不透水。 |
| 2. | The passage became absolutely impermeable . 过道完全不通了。 |
| 3. | An impermeable cover is utilized to impound the stream . 用不透气的覆盖物把蒸气盖住。 |
| 4. | The external layer of the skin is relatively impermeable to water . 皮肤的外层不透水。 |
| 5. | On ground of raised beds, an impermeable cover is utilized to impound the steam . 在地面上高位栽培床用不透气的覆盖物把蒸气盖住。 |
| 6. | The distance from the impermeable base to the free surface is a function of space and time . 由隔水底板至自由面的距离是空间和时间的函数。 |
| 7. | The accumulation of oil is governed by lateral changes from permeable to impermeable facies . 石油的储集是受从渗透到不渗透的岩相横向变化控制的。 |
| 8. | Oil is usually found in porous rock under a layer of impermeable rock which prevents it from escaping . 石油通常存在于多孔性的岩石中,上面覆盖着不可渗透的岩层,使石油不致散失。 |
| 9. | When rain falls, the loess particles on the surface layer swell and form a crust that is almost impermeable to water . 降雨时,表层的黄土粒就发生膨胀并形成一层几乎是不透水的表皮。 |
| 10. | Test method for impact of impermeable graphite materials 不透性石墨材料冲击试验方法 |