1) heavy oil pump
抽稠油泵
1.
A novel down-hole mixing heavy oil pump was developed in terms of connecting two conventional pumps in series.
通过对常规泵进行串联、改造 ,研制出了井下掺液抽稠油泵。
2) viscous oil pumping
抽稠
3) heavy oil pump
抽稠泵
1.
Development and application of hanging insert heavy oil pump;
悬挂浸入式抽稠泵的研制与应用
2.
Application of high angle deviated heavy oil pump in horizontal well;
大斜度抽稠泵在水平井中的应用
4) electrical heating rod+feedback viscous oil well pump
电热杆+反馈式抽稠泵
补充资料：密密稠稠
1.形容浓密。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。