| 1. | [ muffled ] there ' s an oxygen mask up above you
在你上方是一个氧气面罩 |
| 2. | Oxygen mask and foaming extruded plastic parts
-氧气面罩及发泡剂塑件 |
| 3. | Muffled there ' s an oxygen mask up above you
在你上方是一个氧气面罩 |
| 4. | Oxygen mask and foaming extruded plastic parts - oxygen mask
氧气面罩及发泡剂塑件-氧气面罩系列 |
| 5. | Nurse ! get the oxygen mask . - yes
护士,快拿氧气面罩-好 |
| 6. | - nurse ! get the oxygen mask . - yes
-护士,快拿氧气面罩-好 |
| 7. | We carried oxygen masks with us but did not know how to use them
我们带着氧气面罩，不知道如何使用它们。 |
| 8. | An oxygen mask will come down from overhead in case of an emergency
若发生紧急情况，头顶上会降下一只氧气面罩。 |
| 9. | Oxygen mask and foaming extruded plastic parts - foaming extruded plastic parts
氧气面罩及发泡剂塑件-发泡剂塑件系列 |
| 10. | If air is needed , the oxygen mask in the plane will pop down by itself
如果空气缺乏，飞机内的氧气面罩会自动放下。 |
