1) barren stem
空杆
1.
It show the main meteorological condictions lead to barren stem、 crooked fringe on Summer maize are rainy、sparse Sunlight during silk advancing and spinning period for joint stage of Summer maize in 2005.
通过对2005年夏播玉米生育中后期的气象条件分析,得出玉米拔节前后和抽穗、开花吐丝期的阴雨、寡照是造成2005年夏播玉米出现空杆、畸形穗的主要原因,高温、高湿是辅助因素。
2) annulus between pumping rod and tubing
杆管环空
3) air screw
空气螺杆
1.
The development process of borehole deviation control technology was reviewed,and the causes and harm of borehole deviation incontrollable were presented,and the air hammer drilling,air screw drilling,enlarging borehole and keeping full technology and auto-preventing deviation technology were discussed in this paper.
回顾了井斜控制技术的发展过程,总结了气体钻井井斜失控的原因及危害,探讨了空气锤钻井技术、空气螺杆钻井技术、扩眼保满防斜技术和自动防斜技术等气体钻井井斜控制新技术。
4) hollow rod
空心杆
1.
Application of electric heating by hollow rod in Baolige Oilfield.;
空心杆电加热技术在宝力格油田的应用
2.
Active water or light oil is sent downhole through hollow rod to reduce oil flow resistance, thus producing heavy oil from deep formation through screw pump.
利用空心杆向井筒内掺入活性水或稀油 ,降低油流阻力 ,实现应用螺杆泵开采深层稠油。
3.
The light hydrocarbon is mixed with heavy oil in hollow rod to decrease the viscosity of heavy oil.
对稠油粘温关系和深井举升工艺进行了研究 ,结合实验室掺稀油降粘效果研究结果 ,对空心杆泵上和泵下掺稀油举升工艺的可行性进行了研究。
5) hollow connecting rod
空心连杆
1.
Stability analysis on the hollow connecting rod of φ56 mm′s three cavities pump;
φ56mm串联式三腔抽油泵空心连杆稳定性分析
补充资料：复盛螺杆式空压机用油气分离滤芯
压缩机进气除尘滤芯、油过滤芯、油气分离滤芯、进口压缩气体高效过滤器芯国产化、粉尘滤芯、高精度玻璃纤维烧结式滤管、含油尾净化设备，透平机尾气除油滤芯厨房油烟净化，房下水用油水分离器。化工填料：木业、抛光、粉碎、粉制剂行业的粉尘回收器、电火花，线切割等机床过滤滤芯、化工食品精油过滤器、神宝不锈钢微孔过滤器。各种气体、液体、粉尘等测试仪器，神宝在线监测设备滤芯，喷粉设备滤芯。各种压缩机油汽分离器滤芯。
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