| 1. | In the high-pressure system both oxygen and acetylene are used from high-pressure cylinders .
在高压法中，氧气和乙炔都取用于高压瓶。 |
| 2. | High - pressure system - - go stand over there
-真具有挑战性- -站到那边去 |
| 3. | High - pressure system - - - go stand over there
真具有挑战性- - -站到那边去 |
| 4. | High - pressure system - - - no , no , no , no , brick
真具有挑战性- - -不，不，不，不，布里克 |
| 5. | - high - pressure system - go stand over there
-真具有挑战性-站到那边去 |
| 6. | Once humans attributed the weather or earthquakes todivine intervention ; then they discovered high - pressure systems and platetectonics
比如过去人们把气候和地震归结为神的介入；后来，人们知道这是因为气压系统和地壳板块的运动。 |
