1) open well diameter
开口井径
2) large diameter well
大口径井
1.
Taking the geological condition in the harbour district Jingtang Port as the model,the detail analysis on lowering water level by large diameter well point are given in the paper.
以京唐港地区地质条件为模型,对大口径井点降水进行了详细的分析,对大口径井点降水在实际工程应用具有理论参考价值。
3) samll diameter well
小口径井
4) sinking well of unrestricting
开口沉井
5) open well
开口井
6) large diameter tube well
大口径管井
1.
In order to select reasonably the technical patterns of intake works along riverside,the practical experiences with three kinds of intake structures (that is large diameter tube well,radial well and infiltration ditch),which have been used in Henan Oilfield for the past 20 years,were summarized.
为合理选择沿河取水的技术模式,对河南油田近20年来通过大口径管井、辐射井和渗渠取水的3种实践进行了经验总结。
补充资料：井径
1.田间小路。
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