The regulator holds a constant air-fuel ratio from cold start-up through hot air operation.

调节阀能够保证从冷启动到预热空气一直保持恒定的空气-燃料比例。

youdao

G is strictly prohibited without the media-type screw pump under air operation, so as to avoid damage to the stator.

型螺杆泵严禁在无介质情况下空运转，以免损坏定子。

youdao

Air operation eliminates fatigue when using the sealers continuously over many shifts. This series of heat sealers is available in a variety of different working lengths to fit your packaging needs.

这种热封口机系列提供了多种不同的工作长度以满足您的包装需求。

youdao

The operation resulted in curfews, roadblocks,arbitrary arrests, and limited civilian air transport.

VOA: standard.2009.04.16

Government officials said a land and air operation to rescue the workers was under way.

BBC: Colombia's ELN rebels kidnap five mine workers

The Turkish military said Saturday's air operation targeted the PKK's "hiding positions" in the Avasin-Basyan area of northern Iraq near the border with Turkey.

CNN: Turkish airstrikes target Kurdish rebels

However, "I have made it clear that if subsequently the withdrawal timetable is breached, the agreement requires the air operation to resume, " Jackson said.

CNN: marines