| 1. | The fresh-air inlet was usually the crankcase breather cap .
新鲜空气进口一般是曲轴箱通气盖。 |
| 2. | The crankcase is the lower part of the engine cylinder block .
曲轴箱是发动机气缸体较低的部分。 |
| 3. | It whips and mixes the fresh air and crankcase fumes as it rotates .
它旋转时，把新鲜空气和曲柄轴箱气体搅混在一起。 |
| 4. | The crankcase ventilation system carries fresh air through the crankcase .
曲轴箱通风系统要携带新鲜的空气通过曲轴箱。 |
| 5. | The crankcase opening for the roaddraft tube was usually well shielded .
行车气流抽吸管的曲轴箱开口通常是很好地遮挡着的。 |
| 6. | Backseating the valve stops any flame from traveling through the valve and connecting hose into the crankcase .
落座的阀门阻止火焰通过阀门和连接管进入曲轴箱。 |
| 7. | The four places in the automobile from which pollutants can escape are the fuel tank, carburetor, crankcase and tail pipe .
汽车内泄漏污染物的四个位置是燃油箱、化油箱、曲轴箱和尾管。 |
| 8. | When the hood was up and the engine idling, crankcase vapors could often be seen escaping from the open breather cap .
当发动机盖打开并且发动机怠速运转时，我们常常可以看见从开式通气盖漏出的曲轴箱蒸气。 |
| 9. | All automobile engines now built are equipped with the positive-crankcase ventilation system of crankcase emission control .
所有现代制造的汽车发动机，都需要装备控制曲轴箱有害污染的曲轴箱强制通风系统。 |
| 10. | The crankcaseventilation system, using a road-draft tube, vented the crankcase vapors and blow-by gas into the atmosphere .
采用行车抽吸管的曲轴箱通风系统，给曲轴箱内的蒸气和窜漏气体排入大气提供了出口。 |
