| 1. | The gases pass into the exhaust manifold .
这些废气进入排气歧管。 |
| 2. | The waste gases must be vented from the forehearth sections .
废气必须从通路段排除。 |
| 3. | The exhaust gas exits through the other exhaust manifold .
废气经另外一个排气歧管排出。 |
| 4. | Automobile exhaust gases are considered the major source .
据认为汽车排出的废气是主要来源。 |
| 5. | The factory does not give off any poisonous exhaust gases .
这家工厂并不放出任何有毒的废气。 |
| 6. | methods for removal from the gas are only partially proven.
从废气脱除方法尚未定论。 |
| 7. | The high level of hc in the exhaust gas may damage the catalytic converter .
废气中大量的HC会损坏催化式排气净化器。 |
| 8. | Their motors burn most of gasoline, and less goes out as exhaust fumes .
他们的汽车能燃烧绝大部分的汽油，排出的废气就少了。 |
| 9. | The other port permits the burned gasses to exhaust, of escape, from the cylinder after combustion .
另一个牙口是让燃烧后的废气从气缸里排放出去。 |
| 10. | Now, when the engine is started, the hot exhaust gases are deflected by the closed heat-control valve .
现在当发动机起动时，关闭的热控制阀引导热废气。 |
