1) standing column well
单井循环
1.
A mathematical model for heat transfer between soil and well-water of standing column well system is established,and the numerical simulation analysis for winter operation characteristics of heat pump system with a standing column well is conducted using finite difference method.
建立了单井循环系统中井水与土壤的传热数学模型,采用有限差分法对单井循环热泵系统冬季运行特性进行了数值模拟分析。
2.
Compares the pumping and recharging well(PRW) with the standing column well(SCW).
比较了抽灌同井与单井循环系统的异同点。
2) Standing column well
循环单井
1.
Heat transfer model for a standing column well geothermal system
循环单井井管-井孔-含水层传热模型
2.
Standing column well ground heat exchange system and its application prospects;
单井循环地下换热系统的热源井现阶段共有三种:循环单井、抽灌同井和填砾抽灌同井。
3) standing column well system
单井循环系统
4) Standing column well ground heat exchange system
单井循环地下换热系统
1.
Standing column well ground heat exchange system and its application prospects;
单井循环地下换热系统及其应用前景
2.
The heat source wells of standing column well ground heat exchange system(SCWGHES) have three types now: standing column well(SCW),pumping & recharging well(PRW) and gravel-backfill PRW(GB-PRW).
单井循环地下换热系统的热源井现阶段共有三种:循环单井、抽灌同井和填砾抽灌同井。
5) drilling cycle
钻井循环
6) circular drilling
循环钻井
1.
The study of wellbore gas volume control may be helpful to enhance the efficiency of circular drilling, reduce the difficulty in controlling the pressure of equipment, provide a reasonable plan to add or discharge gas for circular drilling, and guide the control of node pressure.
通过对井筒气量控制的研究,可以提高循环钻进效率,并能有效降低设备压力控制的难度,为循环钻井施工提供合理的气量补充和排放方案,并为节点压力控制提供指导。
补充资料：装箱单、重量单、尺码单
装箱单、重量单、尺码单
[装箱单、皿t单、尺码单1装箱单(Pack-ing Ust)是说明货物包装情况的单据，包括包装材料、包装方式，以及详细的包装内容，如花色、规格搭配等。进口地海关主要依据装箱单对某一特定内容的包装内容进行检查，也是进口商核对货物的依据。装箱单的内容有:单据名称、卖方名称、唆头、件数、规格、数量、毛净重、签字等。 重量单(Weight ust)是由卖方或第三者提供的，表明货物重量的单据。一般包括皮、毛、净重。它必须和其他单据上所表示的货物重量一致。 尺码单就不详细介绍了。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条