| 1. | Suitable probe guards are available . 有各种适当的探头防护罩。 |
| 2. | The urgent need for defense had also vanished . 防护的应急需要也不复存在了。 |
| 3. | They entrenched themselves at once . 他们立刻挖壕防护自己。 |
| 4. | Repellency is not confined to the olfactory senses . 防护性不只限于嗅觉感官。 |
| 5. | Farmers fence their fields . 农夫用栅栏来防护他们的园田。 |
| 6. | The man and boy then start to pile up a barricade . 这时他和孩子开始堆放防护垛。 |
| 7. | Special precautions must be taken in its handling . 在应用时必须有特定的防护措施。 |
| 8. | He is wearing protective clothing . 他穿着防护衣服。 |
| 9. | Ensure the guard is in place before operating the machine . 将防护罩确实放好后再开机器。 |
| 10. | The rail is commonly protected by wood at the two sides . 铁轨的两边通常都要用木板防护起来。 |