1) flowing back by hydraulic pump
水力泵排液
1.
DST-perforation, hydraulic fracture, flowing back by hydraulic pump and test and swab technology have been applied in 54# test process of Hai51 well.
在海51井54号层试油过程中,先后应用射孔—测试联作、水力压裂、水力泵排液、测试—抽汲技术,对储层进行评价,为确定合理的储层改造方式、压裂施工规模及支撑剂类型,提供科学的依据。
2) flowing back by big pump
大泵排液
3) draw-off pump
排液泵
4) drainage pump
排水泵
1.
In the mine drainage system many drainage pumps must work correspondly.
在煤矿井下的排水系统中,需要多台排水泵协调地工作。
2.
This design basis of the provided by the bureau surveying place normal and the largest yield,by "Coal Mine Safety Regulations" and the design specification,atter a scientific calculation and analysis,carry on the choice in view of the drainage pump and the discharge pipe to calculate and to verify.
根据局地测处提供的正常和最大涌水量,按《煤矿安全规程》和设计规范的要求,经过科学的计算和分析,针对排水泵和排水管进行了选择计算并校验。
5) main drainage pump
主排水泵
1.
Design of computer control and measurement system for coal mining main drainage pump;
煤矿井下主排水泵计算机监控系统设计
2.
In accordance with the characteristics of main drainage pump for coal mine and the present development of control and measurement technology, the paper introduces a kind of modularized computer monitoring system for main drainage pump underground coal mine.
针对煤矿主排水泵的特点和当前测控技术发展,本文介绍了一种基于模块化的煤矿井下主排水系统计算机监控系统。
6) draining pump
排水泵
1.
Mechanics research on chief draining pump cavitation damage in coal mine;
煤矿主排水泵汽蚀损伤机理研究
补充资料：泵水力效率
分子式：
CAS号：
性质：泵的扬程与理论扬程之比。衡量泵对流过它的液流阻力大小的指标。ηh=H/HT，式中，ηh为水力效率，%；H为扬程，m；HT为理论扬程(扬程与流体在泵内各种损失之和)，m。
CAS号：
性质：泵的扬程与理论扬程之比。衡量泵对流过它的液流阻力大小的指标。ηh=H/HT，式中，ηh为水力效率，%；H为扬程，m；HT为理论扬程(扬程与流体在泵内各种损失之和)，m。
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