| 1. | Streams are switched by solenoid valves .
流路靠电磁阀进行切换。 |
| 2. | The valve shown has a pilot and a bleed orifice .
该阀具有控制孔和流出孔。 |
| 3. | The vacuum valve opens to admit air .
真空阀开启以补充空气。 |
| 4. | To check this, we turn down the threshold level .
为了检验这一点，我们把阀值调低。 |
| 5. | No signal means the solenoid is not energized .
没有信号，意味着电磁阀没有通电流。 |
| 6. | A pump uses valves and pistons .
泵使用阀和活塞。 |
| 7. | The canister vapor-vent value is operated by vacuum .
活性炭罐蒸气排泄阀是由真空控制的。 |
| 8. | I am not willing to accept the dictates of the party bosses .
我不甘心接受这些党阀的调遣。 |
| 9. | Some carburetors have an auxiliary fuel valve and inlet .
有些化油器具有备用的燃油阀和入口。 |
| 10. | The analyzer or sensing unit contains the sample-injection valve .
分析和传感单元内有注样阀。 |
