Because of the characteristic of the system, we choose Songbin Resort as object to study the double-stage heat pump system.

并以吉林市松滨度假村为研究对象，建立了该双级热泵系统的系统组成。

youdao

The composition, characteristics and usage of opening experimental equipment of mechatronics based on double stage of both PLC and SCM were introduced.

对基于PLC与单片机双平台控制的开放式机电教学实验设备的组成、特点及用途等作了较详细的介绍。

youdao

The paper gives an introduction to the structure , operating requirements and applications in olifields of Type SJG A double stage cementing implement.

介绍了SJG-A型双级注水泥器的结构特点、使用要求及现场应用情况。

youdao

He leapt up with his hands extended in double-peace signs and did a backward-shuffle dance to the stage.

WSJ: In South Africa, a Drive to Rein in Cabbies

If they do, we could see the formation of a short-term double bottom that would set the stage for a better rally.

FORBES: The Week Ahead: This Is No Vacation for Investors

But it was the off-stage drama that prompted more than double the average State of the Union audience to tune in.

CNN: AllPolitics